57566352 has 160 divisors (see below), whose sum is σ = 171417600. Its totient is φ = 16533504.

The previous prime is 57566351. The next prime is 57566387. The reversal of 57566352 is 25366575.

It is a self number, because there is not a number n which added to its sum of digits gives 57566352.

It is not an unprimeable number, because it can be changed into a prime (57566351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 728649 + ... + 728727.

It is an arithmetic number, because the mean of its divisors is an integer number (1071360).

Almost surely, 2^57566352 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 57566352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85708800).

57566352 is an abundant number, since it is smaller than the sum of its proper divisors (113851248).

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

57566352 is a wasteful number, since it uses less digits than its factorization.

57566352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 167 counting only the distinct ones).

The product of its digits is 189000, while the sum is 39.

The square root of 57566352 is about 7587.2493039309. The cubic root of 57566352 is about 386.1205382988.

The spelling of 57566352 in words is "fifty-seven million, five hundred sixty-six thousand, three hundred fifty-two".