57570432 has 64 divisors (see below), whose sum is σ = 161935200. Its totient is φ = 18059264.

The previous prime is 57570413. The next prime is 57570433. The reversal of 57570432 is 23407575.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 57570393 and 57570402.

It is not an unprimeable number, because it can be changed into a prime (57570433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2119 + ... + 10937.

Almost surely, 2^57570432 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 57570432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80967600).

57570432 is an abundant number, since it is smaller than the sum of its proper divisors (104364768).

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

57570432 is a wasteful number, since it uses less digits than its factorization.

57570432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8853 (or 8841 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 57570432 is about 7587.5181713127. The cubic root of 57570432 is about 386.1296601470.

The spelling of 57570432 in words is "fifty-seven million, five hundred seventy thousand, four hundred thirty-two".