52003656 has 24 divisors (see below), whose sum is σ = 140843430. Its totient is φ = 17334528.

The previous prime is 52003639. The next prime is 52003669. The reversal of 52003656 is 65630025.

52003656 is a `hidden beast` number, since 5 + 2 + 0 + 0 + 3 + 656 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38564100 + 13439556 = 6210^2 + 3666^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 361065 + ... + 361208.

Almost surely, 2^52003656 is an apocalyptic number.

It is an amenable number.

52003656 is an abundant number, since it is smaller than the sum of its proper divisors (88839774).

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

52003656 is a wasteful number, since it uses less digits than its factorization.

52003656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722285 (or 722278 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 52003656 is about 7211.3560444621. The cubic root of 52003656 is about 373.2598629516.

The spelling of 52003656 in words is "fifty-two million, three thousand, six hundred fifty-six".