56750657257424 has 160 divisors (see below), whose sum is σ = 120923130007680. Its totient is φ = 25641187891200.

The previous prime is 56750657257391. The next prime is 56750657257439. The reversal of 56750657257424 is 42475275605765.

It is a super-2 number, since 2×56750657257424² (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 31 ways as a sum of consecutive naturals, for example, 2950068734 + ... + 2950087970.

It is an arithmetic number, because the mean of its divisors is an integer number (755769562548).

Almost surely, 2^{56750657257424} 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 56750657257424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60461565003840).

56750657257424 is an abundant number, since it is smaller than the sum of its proper divisors (64172472750256).

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

56750657257424 is a wasteful number, since it uses less digits than its factorization.

56750657257424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20309 (or 20303 counting only the distinct ones).

The product of its (nonzero) digits is 493920000, while the sum is 65.

The spelling of 56750657257424 in words is "fifty-six trillion, seven hundred fifty billion, six hundred fifty-seven million, two hundred fifty-seven thousand, four hundred twenty-four".