56103205564 has 24 divisors (see below), whose sum is σ = 112429513728. Its totient is φ = 23996423280.

The previous prime is 56103205553. The next prime is 56103205601. The reversal of 56103205564 is 46550230165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1977652 + ... + 2005819.

It is an arithmetic number, because the mean of its divisors is an integer number (4684563072).

Almost surely, 2^56103205564 is an apocalyptic number.

It is an amenable number.

56103205564 is an abundant number, since it is smaller than the sum of its proper divisors (56326308164).

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

56103205564 is a wasteful number, since it uses less digits than its factorization.

56103205564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3983985 (or 3983983 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 56103205564 in words is "fifty-six billion, one hundred three million, two hundred five thousand, five hundred sixty-four".