Fatto generale: 27535 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 27535 is an uninteresting number.
Trivia: 27535 is a boring number.
Data storica: May 21st is the day in 1972 that Michelangelo's Pietà in St. Peter's Basilica in Rome is damaged by a vandal, the mentally disturbed Hungarian geologist Laszlo Toth.