56491115 has 16 divisors (see below), whose sum is σ = 68774400. Its totient is φ = 44542080.

The previous prime is 56491109. The next prime is 56491157. The reversal of 56491115 is 51119465.

It is not a de Polignac number, because 56491115 - 2⁸ = 56490859 is a prime.

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, 142097 + ... + 142493.

It is an arithmetic number, because the mean of its divisors is an integer number (4298400).

Almost surely, 2^56491115 is an apocalyptic number.

56491115 is a deficient number, since it is larger than the sum of its proper divisors (12283285).

56491115 is a wasteful number, since it uses less digits than its factorization.

56491115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742.

The product of its digits is 5400, while the sum is 32.

The square root of 56491115 is about 7516.0571445406. The cubic root of 56491115 is about 383.7013986344.

The spelling of 56491115 in words is "fifty-six million, four hundred ninety-one thousand, one hundred fifteen".