56564556755476 has 96 divisors (see below), whose sum is σ = 124134625762560. Its totient is φ = 21909396326400.

The previous prime is 56564556755411. The next prime is 56564556755527. The reversal of 56564556755476 is 67455765546565.

It is a congruent 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, 1540368796 + ... + 1540405516.

It is an arithmetic number, because the mean of its divisors is an integer number (1293069018360).

Almost surely, 2^{56564556755476} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56564556755476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62067312881280).

56564556755476 is an abundant number, since it is smaller than the sum of its proper divisors (67570069007084).

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

56564556755476 is a wasteful number, since it uses less digits than its factorization.

56564556755476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65825 (or 65823 counting only the distinct ones).

The product of its digits is 15876000000, while the sum is 76.

The spelling of 56564556755476 in words is "fifty-six trillion, five hundred sixty-four billion, five hundred fifty-six million, seven hundred fifty-five thousand, four hundred seventy-six".