57156896 has 48 divisors (see below), whose sum is σ = 116593344. Its totient is φ = 27565824.

The previous prime is 57156859. The next prime is 57156929. The reversal of 57156896 is 69865175.

It is a self number, because there is not a number n which added to its sum of digits gives 57156896.

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, 113381 + ... + 113883.

It is an arithmetic number, because the mean of its divisors is an integer number (2429028).

Almost surely, 2^57156896 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 57156896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58296672).

57156896 is an abundant number, since it is smaller than the sum of its proper divisors (59436448).

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

57156896 is a wasteful number, since it uses less digits than its factorization.

57156896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 625 counting only the distinct ones).

The product of its digits is 453600, while the sum is 47.

The square root of 57156896 is about 7560.2179862753. The cubic root of 57156896 is about 385.2028974944.

The spelling of 57156896 in words is "fifty-seven million, one hundred fifty-six thousand, eight hundred ninety-six".