57318632 has 24 divisors (see below), whose sum is σ = 125019810. Its totient is φ = 24564960.

The previous prime is 57318629. The next prime is 57318637. The reversal of 57318632 is 23681375.

It can be written as a sum of positive squares in only one way, i.e., 44970436 + 12348196 = 6706^2 + 3514^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57318592 and 57318601.

It is not an unprimeable number, because it can be changed into a prime (57318637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72719 + ... + 73502.

Almost surely, 2^57318632 is an apocalyptic number.

It is an amenable number.

57318632 is an abundant number, since it is smaller than the sum of its proper divisors (67701178).

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

57318632 is a wasteful number, since it uses less digits than its factorization.

57318632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146241 (or 146230 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 57318632 is about 7570.9069469912. The cubic root of 57318632 is about 385.5658895867.

The spelling of 57318632 in words is "fifty-seven million, three hundred eighteen thousand, six hundred thirty-two".