57538232 has 32 divisors (see below), whose sum is σ = 117235200. Its totient is φ = 26373600.

The previous prime is 57538207. The next prime is 57538241. The reversal of 57538232 is 23283575.

It is a junction number, because it is equal to n+sod(n) for n = 57538192 and 57538201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1394 + ... + 10817.

It is an arithmetic number, because the mean of its divisors is an integer number (3663600).

Almost surely, 2^57538232 is an apocalyptic number.

It is an amenable number.

57538232 is an abundant number, since it is smaller than the sum of its proper divisors (59696968).

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

57538232 is a wasteful number, since it uses less digits than its factorization.

57538232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12267 (or 12263 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 57538232 is about 7585.3959685701. The cubic root of 57538232 is about 386.0576573648.

The spelling of 57538232 in words is "fifty-seven million, five hundred thirty-eight thousand, two hundred thirty-two".