56717315172380 has 24 divisors (see below), whose sum is σ = 119150590108032. Its totient is φ = 22678501641152.

The previous prime is 56717315172367. The next prime is 56717315172443. The reversal of 56717315172380 is 8327151371765.

It is a super-2 number, since 2×56717315172380² (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, 526471532 + ... + 526579251.

It is an arithmetic number, because the mean of its divisors is an integer number (4964607921168).

Almost surely, 2^{56717315172380} is an apocalyptic number.

It is an amenable number.

56717315172380 is an abundant number, since it is smaller than the sum of its proper divisors (62433274935652).

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

56717315172380 is a wasteful number, since it uses less digits than its factorization.

56717315172380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053053485 (or 1053053483 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 56.

The spelling of 56717315172380 in words is "fifty-six trillion, seven hundred seventeen billion, three hundred fifteen million, one hundred seventy-two thousand, three hundred eighty".