56560051500 has 96 divisors (see below), whose sum is σ = 164760960000. Its totient is φ = 15077361600.

The previous prime is 56560051469. The next prime is 56560051507. The reversal of 56560051500 is 515006565.

It is not an unprimeable number, because it can be changed into a prime (56560051507) 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, 6143901 + ... + 6153099.

It is an arithmetic number, because the mean of its divisors is an integer number (1716260000).

Almost surely, 2^56560051500 is an apocalyptic number.

56560051500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56560051500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82380480000).

56560051500 is an abundant number, since it is smaller than the sum of its proper divisors (108200908500).

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

56560051500 is a wasteful number, since it uses less digits than its factorization.

56560051500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13320 (or 13308 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 56560051500 in words is "fifty-six billion, five hundred sixty million, fifty-one thousand, five hundred".