It is a sphenic number, since it is the product of 3 distinct primes.
15585 is a lucky number.
It is a plaindrome in base 9.
It is a nialpdrome in base 5.
It is a congruent number.
15585 is a Friedman number, since it can be written as 5^(5+1)-8*5, using all its digits and the basic arithmetic operations.
215585 is an apocalyptic number.
15585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
15585 is a wasteful number, since it uses less digits than its factorization.
15585 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1047.
The square root of 15585 is about 124.8398974687. The cubic root of 15585 is about 24.9786484363.
The spelling of 15585 in words is "fifteen thousand, five hundred eighty-five".