Fatto generale: 75522 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 75522 is an unremarkable number.
Trivia: 75522 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: October 9th is the day in 1776 that Father Francisco Palou founds Mission San Francisco de Asis in what is now San Francisco, California.