56590515 has 16 divisors (see below), whose sum is σ = 100605600. Its totient is φ = 30181536.

The previous prime is 56590507. The next prime is 56590517. The reversal of 56590515 is 51509565.

56590515 is a `hidden beast` number, since 56 + 5 + 90 + 515 = 666.

It is not a de Polignac number, because 56590515 - 2³ = 56590507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56590515.

It is not an unprimeable number, because it can be changed into a prime (56590517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209460 + ... + 209729.

It is an arithmetic number, because the mean of its divisors is an integer number (6287850).

Almost surely, 2^56590515 is an apocalyptic number.

56590515 is a deficient number, since it is larger than the sum of its proper divisors (44015085).

56590515 is a wasteful number, since it uses less digits than its factorization.

56590515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419203 (or 419197 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 36.

The square root of 56590515 is about 7522.6667479026. Note that the first 3 decimals coincide. The cubic root of 56590515 is about 383.9263164286.

The spelling of 56590515 in words is "fifty-six million, five hundred ninety thousand, five hundred fifteen".