56610550087 has 32 divisors (see below), whose sum is σ = 72245411840. Its totient is φ = 43151045760.

The previous prime is 56610550081. The next prime is 56610550261. The reversal of 56610550087 is 78005501665.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56610550087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56610550081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 584089 + ... + 674077.

It is an arithmetic number, because the mean of its divisors is an integer number (2257669120).

Almost surely, 2^56610550087 is an apocalyptic number.

56610550087 is a deficient number, since it is larger than the sum of its proper divisors (15634861753).

56610550087 is a wasteful number, since it uses less digits than its factorization.

56610550087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90263.

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 56610550087 in words is "fifty-six billion, six hundred ten million, five hundred fifty thousand, eighty-seven".