56750520 has 32 divisors (see below), whose sum is σ = 170251920. Its totient is φ = 15133440.

The previous prime is 56750461. The next prime is 56750527. The reversal of 56750520 is 2505765.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56750527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236341 + ... + 236580.

Almost surely, 2^56750520 is an apocalyptic number.

It is an amenable number.

56750520 is an abundant number, since it is smaller than the sum of its proper divisors (113501400).

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

56750520 is a wasteful number, since it uses less digits than its factorization.

56750520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472935 (or 472931 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 56750520 is about 7533.2941001928. The cubic root of 56750520 is about 384.2878159062.

The spelling of 56750520 in words is "fifty-six million, seven hundred fifty thousand, five hundred twenty".