52004136 has 32 divisors (see below), whose sum is σ = 130291200. Its totient is φ = 17297280.

The previous prime is 52004131. The next prime is 52004149. The reversal of 52004136 is 63140025.

It is a happy number.

It is a super-2 number, since 2×52004136² = 5408860322212992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52004131) 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, 10425 + ... + 14583.

It is an arithmetic number, because the mean of its divisors is an integer number (4071600).

Almost surely, 2^52004136 is an apocalyptic number.

It is an amenable number.

52004136 is an abundant number, since it is smaller than the sum of its proper divisors (78287064).

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

52004136 is a wasteful number, since it uses less digits than its factorization.

52004136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4689 (or 4685 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 52004136 is about 7211.3893252271. The cubic root of 52004136 is about 373.2610113592.

The spelling of 52004136 in words is "fifty-two million, four thousand, one hundred thirty-six".