57572532 has 72 divisors (see below), whose sum is σ = 153552672. Its totient is φ = 18856800.

The previous prime is 57572521. The next prime is 57572539. The reversal of 57572532 is 23527575.

It is a happy number.

57572532 is a `hidden beast` number, since 57 + 5 + 72 + 532 = 666.

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

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57572539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58807 + ... + 59777.

It is an arithmetic number, because the mean of its divisors is an integer number (2132676).

Almost surely, 2^57572532 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 57572532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76776336).

57572532 is an abundant number, since it is smaller than the sum of its proper divisors (95980140).

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

57572532 is a wasteful number, since it uses less digits than its factorization.

57572532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051 (or 1037 counting only the distinct ones).

The product of its digits is 73500, while the sum is 36.

The square root of 57572532 is about 7587.6565552218. The cubic root of 57572532 is about 386.1343550480.

The spelling of 57572532 in words is "fifty-seven million, five hundred seventy-two thousand, five hundred thirty-two".