56554811610 has 64 divisors (see below), whose sum is σ = 149014041984. Its totient is φ = 13622918400.

The previous prime is 56554811603. The next prime is 56554811639. The reversal of 56554811610 is 1611845565.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 493981 + ... + 597600.

It is an arithmetic number, because the mean of its divisors is an integer number (2328344406).

Almost surely, 2^56554811610 is an apocalyptic number.

56554811610 is an abundant number, since it is smaller than the sum of its proper divisors (92459230374).

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

56554811610 is a wasteful number, since it uses less digits than its factorization.

56554811610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091759.

The product of its (nonzero) digits is 144000, while the sum is 42.

The spelling of 56554811610 in words is "fifty-six billion, five hundred fifty-four million, eight hundred eleven thousand, six hundred ten".