57640324 has 24 divisors (see below), whose sum is σ = 116052608. Its totient is φ = 24537600.

The previous prime is 57640321. The next prime is 57640333. The reversal of 57640324 is 42304675.

57640324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (57640321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2589 + ... + 11044.

Almost surely, 2^57640324 is an apocalyptic number.

It is an amenable number.

57640324 is an abundant number, since it is smaller than the sum of its proper divisors (58412284).

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

57640324 is a wasteful number, since it uses less digits than its factorization.

57640324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13795 (or 13793 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 57640324 is about 7592.1224963774. The cubic root of 57640324 is about 386.2858541023.

Adding to 57640324 its reverse (42304675), we get a palindrome (99944999).

The spelling of 57640324 in words is "fifty-seven million, six hundred forty thousand, three hundred twenty-four".