56807075520 has 840 divisors, whose sum is σ = 230164959024. Its totient is φ = 13218951168.

The previous prime is 56807075519. The next prime is 56807075557. The reversal of 56807075520 is 2557070865.

56807075520 is a `hidden beast` number, since 56 + 8 + 0 + 7 + 0 + 75 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 121642327 + ... + 121642793.

Almost surely, 2^56807075520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56807075520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115082479512).

56807075520 is an abundant number, since it is smaller than the sum of its proper divisors (173357883504).

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

56807075520 is a wasteful number, since it uses less digits than its factorization.

56807075520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 45.

It can be divided in two parts, 56 and 807075520, that added together give a triangular number (807075576 = T₄₀₁₇₆).

The spelling of 56807075520 in words is "fifty-six billion, eight hundred seven million, seventy-five thousand, five hundred twenty".