57113532 has 96 divisors (see below), whose sum is σ = 174755840. Its totient is φ = 15785280.

The previous prime is 57113513. The next prime is 57113549. The reversal of 57113532 is 23531175.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 57113496 and 57113505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22218 + ... + 24654.

Almost surely, 2^57113532 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 57113532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87377920).

57113532 is an abundant number, since it is smaller than the sum of its proper divisors (117642308).

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

57113532 is a wasteful number, since it uses less digits than its factorization.

57113532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488 (or 2480 counting only the distinct ones).

The product of its digits is 3150, while the sum is 27.

The square root of 57113532 is about 7557.3495353861. The cubic root of 57113532 is about 385.1054571402.

The spelling of 57113532 in words is "fifty-seven million, one hundred thirteen thousand, five hundred thirty-two".