57504436 has 24 divisors (see below), whose sum is σ = 111291264. Its totient is φ = 25778880.

The previous prime is 57504407. The next prime is 57504449. The reversal of 57504436 is 63440575.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 5740 + ... + 12163.

It is an arithmetic number, because the mean of its divisors is an integer number (4637136).

Almost surely, 2^57504436 is an apocalyptic number.

It is an amenable number.

57504436 is a deficient number, since it is larger than the sum of its proper divisors (53786828).

57504436 is a wasteful number, since it uses less digits than its factorization.

57504436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17991 (or 17989 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 57504436 is about 7583.1679395883. The cubic root of 57504436 is about 385.9820568498.

The spelling of 57504436 in words is "fifty-seven million, five hundred four thousand, four hundred thirty-six".