56512700354172 has 24 divisors (see below), whose sum is σ = 134668562547456. Its totient is φ = 18436767491248.

The previous prime is 56512700354171. The next prime is 56512700354183. The reversal of 56512700354172 is 27145300721565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56512700354171) 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, 50099911098 + ... + 50099912225.

It is an arithmetic number, because the mean of its divisors is an integer number (5611190106144).

Almost surely, 2^{56512700354172} is an apocalyptic number.

It is an amenable number.

56512700354172 is an abundant number, since it is smaller than the sum of its proper divisors (78155862193284).

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

56512700354172 is a wasteful number, since it uses less digits than its factorization.

56512700354172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100199823377 (or 100199823375 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 48.

The spelling of 56512700354172 in words is "fifty-six trillion, five hundred twelve billion, seven hundred million, three hundred fifty-four thousand, one hundred seventy-two".