56207521000 has 32 divisors (see below), whose sum is σ = 131525601480. Its totient is φ = 22483008000.

The previous prime is 56207520983. The next prime is 56207521043. The reversal of 56207521000 is 12570265.

56207521000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 19710475236 + 36497045764 = 140394^2 + 191042^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56207521000.

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, 28102761 + ... + 28104760.

Almost surely, 2^56207521000 is an apocalyptic number.

56207521000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56207521000 is an abundant number, since it is smaller than the sum of its proper divisors (75318080480).

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

56207521000 is a wasteful number, since it uses less digits than its factorization.

56207521000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56207542 (or 56207528 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The spelling of 56207521000 in words is "fifty-six billion, two hundred seven million, five hundred twenty-one thousand".