52656656 has 20 divisors (see below), whose sum is σ = 109870572. Its totient is φ = 24302976.

The previous prime is 52656647. The next prime is 52656671. The reversal of 52656656 is 65665625.

It can be written as a sum of positive squares in 2 ways, for example, as 20394256 + 32262400 = 4516^2 + 5680^2 .

It is a super-2 number, since 2×52656656² = 5545446842204672, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126371 + ... + 126786.

Almost surely, 2^52656656 is an apocalyptic number.

It is an amenable number.

52656656 is an abundant number, since it is smaller than the sum of its proper divisors (57213916).

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

52656656 is a wasteful number, since it uses less digits than its factorization.

52656656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253178 (or 253172 counting only the distinct ones).

The product of its digits is 324000, while the sum is 41.

The square root of 52656656 is about 7256.4906118592. The cubic root of 52656656 is about 374.8156866096.

The spelling of 52656656 in words is "fifty-two million, six hundred fifty-six thousand, six hundred fifty-six".