56807437554 has 48 divisors (see below), whose sum is σ = 141173942208. Its totient is φ = 16172091936.

The previous prime is 56807437529. The next prime is 56807437567. The reversal of 56807437554 is 45573470865.

56807437554 is a `hidden beast` number, since 5 + 6 + 80 + 7 + 4 + 3 + 7 + 554 = 666.

It is a super-2 number, since 2×56807437554² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56807437554.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 778912 + ... + 848715.

It is an arithmetic number, because the mean of its divisors is an integer number (2941123796).

Almost surely, 2^56807437554 is an apocalyptic number.

56807437554 is an abundant number, since it is smaller than the sum of its proper divisors (84366504654).

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

56807437554 is a wasteful number, since it uses less digits than its factorization.

56807437554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627919 (or 1627916 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 54.

The spelling of 56807437554 in words is "fifty-six billion, eight hundred seven million, four hundred thirty-seven thousand, five hundred fifty-four".