57101172 has 24 divisors (see below), whose sum is σ = 133383936. Its totient is φ = 19012608.

The previous prime is 57101131. The next prime is 57101183. The reversal of 57101172 is 27110175.

It is a happy number.

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, 11773 + ... + 15899.

It is an arithmetic number, because the mean of its divisors is an integer number (5557664).

Almost surely, 2^57101172 is an apocalyptic number.

It is an amenable number.

57101172 is an abundant number, since it is smaller than the sum of its proper divisors (76282764).

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

57101172 is a wasteful number, since it uses less digits than its factorization.

57101172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5287 (or 5285 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 24.

The square root of 57101172 is about 7556.5317441271. The cubic root of 57101172 is about 385.0776747759.

The spelling of 57101172 in words is "fifty-seven million, one hundred one thousand, one hundred seventy-two".