Michael Jordan had the most games with 50+ points and exactly 0 turnovers, with 4 games.

Interpreted as:

most 50 or more point regular-season games without a turnover by a player

	NAME	GP	PTS	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	MIN	REB	AST	STL	BLK	PF	+/-
1	Michael Jordan M. Jordan	4	207	43.3	51.8	10.0	3.5	1.8	1.0	19.3	32.3	59.7	1.3	2.3	55.6	12.0	13.8	87.3	67.6	2.3	7.8	173	40	14	7	4	10	+9
2	Damian Lillard D. Lillard	2	110	36.5	55.0	3.0	6.0	3.5	0.5	18.0	31.0	58.1	9.0	13.0	69.2	10.0	11.5	87.0	76.3	0.0	3.0	73	6	12	7	1	3	+45
3	Carmelo Anthony C. Anthony	2	112	39.5	56.0	7.5	1.0	0.5	0.5	20.5	30.5	67.2	6.5	10.5	61.9	8.5	9.0	94.4	81.3	0.5	7.0	79	15	2	1	1	4	+49
4	Allan Houston A. Houston	2	103	43.5	51.5	3.0	3.0	1.0	0.0	15.5	27.0	57.4	5.0	9.5	52.6	15.5	16.5	93.9	75.2	0.5	2.5	87	6	6	2	0	6	+11
5	Kobe Bryant K. Bryant	2	107	32.5	53.5	4.0	3.0	1.5	0.0	18.0	31.0	58.1	3.0	7.0	42.9	14.5	16.0	90.6	70.3	1.5	2.5	65	8	6	3	0	2	+77
6	Tyrese Maxey T. Maxey	1	51	41.1	51.0	2.0	1.0	0.0	1.0	17.0	27.0	63.0	7.0	9.0	77.8	10.0	11.0	90.9	80.1	0.0	2.0	41	2	1	0	1	4	-2
7	Luka Dončić L. Dončić	1	51	37.2	51.0	6.0	9.0	4.0	1.0	18.0	29.0	62.1	6.0	10.0	60.0	9.0	15.0	60.0	71.6	1.0	5.0	37	6	9	4	1	3	+7
8	Jayson Tatum J. Tatum	1	60	45.3	60.0	8.0	5.0	0.0	1.0	20.0	37.0	54.1	5.0	7.0	71.4	15.0	17.0	88.2	67.4	2.0	6.0	45	8	5	0	1	2	+6
9	Giannis Antetokounmpo G. Antetokounmpo	1	50	38.5	50.0	14.0	6.0	2.0	0.0	17.0	31.0	54.8	3.0	8.0	37.5	13.0	19.0	68.4	63.5	6.0	8.0	38	14	6	2	0	1	+14
10	Kyrie Irving K. Irving	1	50	38.2	50.0	8.0	7.0	0.0	1.0	17.0	33.0	51.5	7.0	14.0	50.0	9.0	10.0	90.0	66.8	2.0	6.0	38	8	7	0	1	4	+18
11	Klay Thompson K. Thompson	1	60	29.1	60.0	2.0	1.0	0.0	0.0	21.0	33.0	63.6	8.0	14.0	57.1	10.0	11.0	90.9	79.3	0.0	2.0	29	2	1	0	0	0	+37
12	Brandon Roy B. Roy	1	52	43.8	52.0	5.0	6.0	0.0	1.0	14.0	27.0	51.9	5.0	7.0	71.4	19.0	21.0	90.5	71.7	1.0	4.0	44	5	6	0	1	1	+12
13	Allen Iverson A. Iverson	1	53	44.5	53.0	6.0	5.0	2.0	0.0	17.0	31.0	54.8	0.0	1.0	0.0	19.0	21.0	90.5	65.9	0.0	6.0	45	6	5	2	0	0	-5
14	Damon Stoudamire D. Stoudamire	1	54	43.0	54.0	0.0	1.0	1.0	0.0	20.0	32.0	62.5	8.0	16.0	50.0	6.0	6.0	100.0	77.9	0.0	0.0	43	0	1	1	0	3	-7
15	Rashard Lewis R. Lewis	1	50	37.0	50.0	8.0	4.0	0.0	1.0	18.0	25.0	72.0	4.0	7.0	57.1	10.0	13.0	76.9	81.4	2.0	6.0	37	8	4	0	1	1	+22
16	Clifford Robinson C. Robinson	1	50	43.0	50.0	8.0	4.0	0.0	2.0	17.0	26.0	65.4	3.0	5.0	60.0	13.0	15.0	86.7	76.7	3.0	5.0	43	8	4	0	2	2	+25
17	Reggie Miller R. Miller	1	57	38.0	57.0	5.0	8.0	1.0	0.0	16.0	29.0	55.2	4.0	11.0	36.4	21.0	23.0	91.3	72.9	1.0	4.0	38	5	8	1	0	1
18	Moses Malone M. Malone	1	50	38.0	50.0	12.0	0.0	2.0	1.0	18.0	31.0	58.1	0.0	0.0		14.0	14.0	100.0	67.3	7.0	5.0	38	12	0	2	1	2