57057192 has 24 divisors (see below), whose sum is σ = 154530090. Its totient is φ = 19019040.

The previous prime is 57057191. The next prime is 57057229. The reversal of 57057192 is 29175075.

It can be written as a sum of positive squares in only one way, i.e., 29746116 + 27311076 = 5454^2 + 5226^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (57057191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 396159 + ... + 396302.

Almost surely, 2^57057192 is an apocalyptic number.

It is an amenable number.

57057192 is an abundant number, since it is smaller than the sum of its proper divisors (97472898).

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

57057192 is a wasteful number, since it uses less digits than its factorization.

57057192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792473 (or 792466 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 57057192 is about 7553.6211183776. The cubic root of 57057192 is about 384.9787855854.

The spelling of 57057192 in words is "fifty-seven million, fifty-seven thousand, one hundred ninety-two".