56750436801920 has 64 divisors (see below), whose sum is σ = 135686967812640. Its totient is φ = 22697170513920.

The previous prime is 56750436801907. The next prime is 56750436802063. The reversal of 56750436801920 is 2910863405765.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×56750436801920² (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 7 ways as a sum of consecutive naturals, for example, 1024772 + ... + 10702851.

It is a 1-persistent number, because it is pandigital, but 2⋅56750436801920 = 113500873603840 is not.

Almost surely, 2^{56750436801920} is an apocalyptic number.

It is an amenable number.

56750436801920 is an abundant number, since it is smaller than the sum of its proper divisors (78936531010720).

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

56750436801920 is a wasteful number, since it uses less digits than its factorization.

56750436801920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11735203 (or 11735191 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 56750436801920 in words is "fifty-six trillion, seven hundred fifty billion, four hundred thirty-six million, eight hundred one thousand, nine hundred twenty".