Fatto generale: 5587 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 5587 is an uninteresting number.
Trivia: 5587 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: April 18th is the day in 1961 that the Vienna Convention on Diplomatic Relations, a cornerstone of modern international relations, is adopted.