52404872 has 48 divisors (see below), whose sum is σ = 107911440. Its totient is φ = 23844288.

The previous prime is 52404857. The next prime is 52404881. The reversal of 52404872 is 27840425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111983 + ... + 112449.

It is an arithmetic number, because the mean of its divisors is an integer number (2248155).

Almost surely, 2^52404872 is an apocalyptic number.

52404872 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52404872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53955720).

52404872 is an abundant number, since it is smaller than the sum of its proper divisors (55506568).

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

52404872 is a wasteful number, since it uses less digits than its factorization.

52404872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 52404872 is about 7239.1209411088. The cubic root of 52404872 is about 374.2173234347.

The spelling of 52404872 in words is "fifty-two million, four hundred four thousand, eight hundred seventy-two".