57243404 has 12 divisors (see below), whose sum is σ = 100303728. Its totient is φ = 28585200.

The previous prime is 57243379. The next prime is 57243413. The reversal of 57243404 is 40434275.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5432 + ... + 11999.

It is an arithmetic number, because the mean of its divisors is an integer number (8358644).

Almost surely, 2^57243404 is an apocalyptic number.

It is an amenable number.

57243404 is a deficient number, since it is larger than the sum of its proper divisors (43060324).

57243404 is a wasteful number, since it uses less digits than its factorization.

57243404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18256 (or 18254 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 57243404 is about 7565.9370867064. The cubic root of 57243404 is about 385.3971367258.

Adding to 57243404 its reverse (40434275), we get a palindrome (97677679).

The spelling of 57243404 in words is "fifty-seven million, two hundred forty-three thousand, four hundred four".