56982521 has 8 divisors (see below), whose sum is σ = 60609024. Its totient is φ = 53386560.

The previous prime is 56982503. The next prime is 56982581. The reversal of 56982521 is 12528965.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56982521 - 2²² = 52788217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56982581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3725 + ... + 11306.

It is an arithmetic number, because the mean of its divisors is an integer number (7576128).

Almost surely, 2^56982521 is an apocalyptic number.

It is an amenable number.

56982521 is a deficient number, since it is larger than the sum of its proper divisors (3626503).

56982521 is a wasteful number, since it uses less digits than its factorization.

56982521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15271.

The product of its digits is 43200, while the sum is 38.

The square root of 56982521 is about 7548.6767714613. The cubic root of 56982521 is about 384.8107711228.

The spelling of 56982521 in words is "fifty-six million, nine hundred eighty-two thousand, five hundred twenty-one".