Fatto generale: 7555 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 7555 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 7555 is a boring number.
Data storica: September 6th is the day in 1847 that Henry David Thoreau leaves Walden Pond and moves in with Ralph Waldo Emerson and his family in Concord, Massachusetts.