56572016572800 has 144 divisors (see below), whose sum is σ = 201861919654980. Its totient is φ = 15085871078400.

The previous prime is 56572016572789. The next prime is 56572016572859. The reversal of 56572016572800 is 827561027565.

56572016572800 is a `hidden beast` number, since 5 + 6 + 57 + 2 + 0 + 16 + 572 + 8 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×56572016572800² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 982124266 + ... + 982181865.

Almost surely, 2^{56572016572800} is an apocalyptic number.

56572016572800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56572016572800 is an abundant number, since it is smaller than the sum of its proper divisors (145289903082180).

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

56572016572800 is a wasteful number, since it uses less digits than its factorization.

56572016572800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964306161 (or 1964306141 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 54.

The spelling of 56572016572800 in words is "fifty-six trillion, five hundred seventy-two billion, sixteen million, five hundred seventy-two thousand, eight hundred".