52638904 has 32 divisors (see below), whose sum is σ = 103374720. Its totient is φ = 25081056.

The previous prime is 52638863. The next prime is 52638907. The reversal of 52638904 is 40983625.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52638907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95959 + ... + 96505.

It is an arithmetic number, because the mean of its divisors is an integer number (3230460).

Almost surely, 2^52638904 is an apocalyptic number.

It is an amenable number.

52638904 is a deficient number, since it is larger than the sum of its proper divisors (50735816).

52638904 is a wasteful number, since it uses less digits than its factorization.

52638904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099 (or 1095 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 52638904 is about 7255.2673279487. The cubic root of 52638904 is about 374.7735616664.

The spelling of 52638904 in words is "fifty-two million, six hundred thirty-eight thousand, nine hundred four".