Fatto generale: 5263 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 5263 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 5263 is an unremarkable number.
Data storica: May 29th is the day in 1886 that Chemist John Pemberton places his first advertisement for Coca-Cola, the ad appearing in the Atlanta Journal.