52787904 has 56 divisors (see below), whose sum is σ = 150418800. Its totient is φ = 16241664.

The previous prime is 52787887. The next prime is 52787929. The reversal of 52787904 is 40978725.

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, 8079 + ... + 13070.

It is an arithmetic number, because the mean of its divisors is an integer number (2686050).

Almost surely, 2^52787904 is an apocalyptic number.

It is an amenable number.

52787904 is an abundant number, since it is smaller than the sum of its proper divisors (97630896).

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

52787904 is a wasteful number, since it uses less digits than its factorization.

52787904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21177 (or 21167 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 52787904 is about 7265.5284735524. The cubic root of 52787904 is about 375.1268406479.

The spelling of 52787904 in words is "fifty-two million, seven hundred eighty-seven thousand, nine hundred four".