57543936 has 72 divisors (see below), whose sum is σ = 158156544. Its totient is φ = 18554880.

The previous prime is 57543919. The next prime is 57543943. The reversal of 57543936 is 63934575.

It is a super-2 number, since 2×57543936² = 6622609140744192, which contains 22 as substring.

It is a congruent number.

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, 22600 + ... + 25016.

Almost surely, 2^57543936 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 57543936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79078272).

57543936 is an abundant number, since it is smaller than the sum of its proper divisors (100612608).

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

57543936 is a wasteful number, since it uses less digits than its factorization.

57543936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467 (or 2453 counting only the distinct ones).

The product of its digits is 340200, while the sum is 42.

The square root of 57543936 is about 7585.7719448979. The cubic root of 57543936 is about 386.0704141009.

The spelling of 57543936 in words is "fifty-seven million, five hundred forty-three thousand, nine hundred thirty-six".