57256192 has 72 divisors (see below), whose sum is σ = 132451200. Its totient is φ = 24195072.

The previous prime is 57256181. The next prime is 57256207. The reversal of 57256192 is 29165275.

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, 159309 + ... + 159667.

It is an arithmetic number, because the mean of its divisors is an integer number (1839600).

Almost surely, 2^57256192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57256192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66225600).

57256192 is an abundant number, since it is smaller than the sum of its proper divisors (75195008).

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

57256192 is an equidigital number, since it uses as much as digits as its factorization.

57256192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 457 counting only the distinct ones).

The product of its digits is 37800, while the sum is 37.

The square root of 57256192 is about 7566.7821430249. The cubic root of 57256192 is about 385.4258334331.

The spelling of 57256192 in words is "fifty-seven million, two hundred fifty-six thousand, one hundred ninety-two".