56615160 has 64 divisors (see below), whose sum is σ = 194112000. Its totient is φ = 12940416.

The previous prime is 56615159. The next prime is 56615189. The reversal of 56615160 is 6151665.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32860 + ... + 34539.

It is an arithmetic number, because the mean of its divisors is an integer number (3033000).

Almost surely, 2^56615160 is an apocalyptic number.

It is an amenable number.

56615160 is an abundant number, since it is smaller than the sum of its proper divisors (137496840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56615160 is a wasteful number, since it uses less digits than its factorization.

56615160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67420 (or 67416 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 56615160 is about 7524.3046190329. The cubic root of 56615160 is about 383.9820412608.

The spelling of 56615160 in words is "fifty-six million, six hundred fifteen thousand, one hundred sixty".