56503260636 has 12 divisors (see below), whose sum is σ = 131840941512. Its totient is φ = 18834420208.

The previous prime is 56503260623. The next prime is 56503260641. The reversal of 56503260636 is 63606230565.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2354302515 + ... + 2354302538.

It is an arithmetic number, because the mean of its divisors is an integer number (10986745126).

Almost surely, 2^56503260636 is an apocalyptic number.

It is an amenable number.

56503260636 is an abundant number, since it is smaller than the sum of its proper divisors (75337680876).

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

56503260636 is a wasteful number, since it uses less digits than its factorization.

56503260636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708605060 (or 4708605058 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 42.

The spelling of 56503260636 in words is "fifty-six billion, five hundred three million, two hundred sixty thousand, six hundred thirty-six".