56566056551010 has 64 divisors (see below), whose sum is σ = 136918517184000. Its totient is φ = 14955667131392.

The previous prime is 56566056550903. The next prime is 56566056551021. The reversal of 56566056551010 is 1015565066565.

It is a super-2 number, since 2×56566056551010² (a number of 28 digits) contains 22 as substring.

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, 5181210 + ... + 11831189.

It is an arithmetic number, because the mean of its divisors is an integer number (2139351831000).

Almost surely, 2^{56566056551010} is an apocalyptic number.

56566056551010 is an abundant number, since it is smaller than the sum of its proper divisors (80352460632990).

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

56566056551010 is a wasteful number, since it uses less digits than its factorization.

56566056551010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17013355.

The product of its (nonzero) digits is 4050000, while the sum is 51.

The spelling of 56566056551010 in words is "fifty-six trillion, five hundred sixty-six billion, fifty-six million, five hundred fifty-one thousand, ten".