Fatto generale: 4559 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 4559 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 4559 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: June 24th is the day in 2010 that John Isner of the United States defeats Nicolas Mahut of France at Wimbledon, in the longest match in professional tennis history.