57311332 has 24 divisors (see below), whose sum is σ = 108464832. Its totient is φ = 26340000.

The previous prime is 57311327. The next prime is 57311341. The reversal of 57311332 is 23311375.

It is a super-2 number, since 2×57311332² = 6569177551228448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57311297 and 57311306.

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, 10857 + ... + 15247.

It is an arithmetic number, because the mean of its divisors is an integer number (4519368).

Almost surely, 2^57311332 is an apocalyptic number.

57311332 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

57311332 is a deficient number, since it is larger than the sum of its proper divisors (51153500).

57311332 is a wasteful number, since it uses less digits than its factorization.

57311332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4659 (or 4657 counting only the distinct ones).

The product of its digits is 1890, while the sum is 25.

The square root of 57311332 is about 7570.4248229541. The cubic root of 57311332 is about 385.5495205609.

The spelling of 57311332 in words is "fifty-seven million, three hundred eleven thousand, three hundred thirty-two".