56570621000 has 64 divisors (see below), whose sum is σ = 132426992880. Its totient is φ = 22619404800.

The previous prime is 56570620973. The next prime is 56570621027. The reversal of 56570621000 is 12607565.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56570620973) and next prime (56570621027).

It can be written as a sum of positive squares in 8 ways, for example, as 110208004 + 56460412996 = 10498^2 + 237614^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2943422 + ... + 2962578.

Almost surely, 2^56570621000 is an apocalyptic number.

56570621000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56570621000 is an abundant number, since it is smaller than the sum of its proper divisors (75856371880).

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

56570621000 is a wasteful number, since it uses less digits than its factorization.

56570621000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22131 (or 22117 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 56570621000 in words is "fifty-six billion, five hundred seventy million, six hundred twenty-one thousand".