It is a sphenic number, since it is the product of 3 distinct primes.
It is a nialpdrome in base 5.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 15530.
It is an unprimeable number.
215530 is an apocalyptic number.
15530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
15530 is a wasteful number, since it uses less digits than its factorization.
15530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1560.
The square root of 15530 is about 124.6194206374. The cubic root of 15530 is about 24.9492303006.
The spelling of 15530 in words is "fifteen thousand, five hundred thirty".