57324631 has 24 divisors (see below), whose sum is σ = 72520704. Its totient is φ = 44347680.

The previous prime is 57324613. The next prime is 57324649. The reversal of 57324631 is 13642375.

It is an interprime number because it is at equal distance from previous prime (57324613) and next prime (57324649).

It is not a de Polignac number, because 57324631 - 2⁵ = 57324599 is a prime.

It is a super-2 number, since 2×57324631² = 6572226638572322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57324593 and 57324602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57324131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55086 + ... + 56116.

It is an arithmetic number, because the mean of its divisors is an integer number (3021696).

Almost surely, 2^57324631 is an apocalyptic number.

57324631 is a deficient number, since it is larger than the sum of its proper divisors (15196073).

57324631 is a wasteful number, since it uses less digits than its factorization.

57324631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111 (or 1098 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 57324631 is about 7571.3031242977. The cubic root of 57324631 is about 385.5793402978.

The spelling of 57324631 in words is "fifty-seven million, three hundred twenty-four thousand, six hundred thirty-one".