Fatto generale: 88513 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 88513 is an unremarkable number.
Trivia: 88513 is an uninteresting number.
Data storica: May 4th is the day in 1974 that an all-female Japanese team reaches the summit of Manaslu, becoming the first women to climb an 8,000-meter peak.