57993536 has 28 divisors (see below), whose sum is σ = 116666772. Its totient is φ = 28597248.

The previous prime is 57993503. The next prime is 57993539. The reversal of 57993536 is 63539975.

It can be written as a sum of positive squares in 2 ways, for example, as 25000000 + 32993536 = 5000^2 + 5744^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57993539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1535 + ... + 10878.

Almost surely, 2^57993536 is an apocalyptic number.

It is an amenable number.

57993536 is an abundant number, since it is smaller than the sum of its proper divisors (58673236).

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

57993536 is a wasteful number, since it uses less digits than its factorization.

57993536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12498 (or 12488 counting only the distinct ones).

The product of its digits is 765450, while the sum is 47.

The square root of 57993536 is about 7615.3487116481. The cubic root of 57993536 is about 387.0732834443.

The spelling of 57993536 in words is "fifty-seven million, nine hundred ninety-three thousand, five hundred thirty-six".