57620172 has 24 divisors (see below), whose sum is σ = 137574976. Its totient is φ = 18759888.

The previous prime is 57620153. The next prime is 57620203. The reversal of 57620172 is 27102675.

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, 55318 + ... + 56349.

Almost surely, 2^57620172 is an apocalyptic number.

It is an amenable number.

57620172 is an abundant number, since it is smaller than the sum of its proper divisors (79954804).

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

57620172 is a wasteful number, since it uses less digits than its factorization.

57620172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111717 (or 111715 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 57620172 is about 7590.7952152591. The cubic root of 57620172 is about 386.2408315709.

The spelling of 57620172 in words is "fifty-seven million, six hundred twenty thousand, one hundred seventy-two".