57457190 has 32 divisors (see below), whose sum is σ = 119971584. Its totient is φ = 19404000.

The previous prime is 57457177. The next prime is 57457241. The reversal of 57457190 is 9175475.

It is a super-2 number, since 2×57457190² = 6602657365392200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1436 + ... + 10815.

It is an arithmetic number, because the mean of its divisors is an integer number (3749112).

Almost surely, 2^57457190 is an apocalyptic number.

57457190 is an abundant number, since it is smaller than the sum of its proper divisors (62514394).

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

57457190 is a wasteful number, since it uses less digits than its factorization.

57457190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12332.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 57457190 is about 7580.0521106388. The cubic root of 57457190 is about 385.8763194719.

The spelling of 57457190 in words is "fifty-seven million, four hundred fifty-seven thousand, one hundred ninety".