To some, the result could mean that Barca are on the slide.
A close-range header in the first half was Aubameyang’s 11th goal in his past 14 games for Barca.
In-form Barca sit second, 12 points behind leaders Real Madrid but with a game in hand and eight to play.
In the Champions League, the previous record was 50,212, set in a game between Olympique Lyon and Frankfurt in Munich in 2012.
Real Madrid are still first on La Liga log with 66 points in 29 games. Sevilla is second with 57 points in 29 games, while Barcelona are third with 54 points in 28 games.
Spanish side Barcelona booked their place in the round of 16 of the Europa League, beating Napoli 4-2 win on Thursday.
Barcelona are now fourth on the log with 42 points from 24 games while Valencia are 12th, ten points above the relegation zone.
Napoli held on as they were bombarded in the last 10 minutes, with Torres and substitutes Luuk de Jong and Ousmane Dembele missing chance after chance in front of Alex Meret’s goal.
New Barcelona striker Pierre-Emerick Aubameyang has aimed a subtle dig at his former manager, Mikel Arteta, claiming he was “the problem” at Arsenal.
Barcelona president Joan Laporta has attacked French winger Ousmane Dembele after the 24-year-old failed to complete a deal away from the club on deadline day
