52510168656 has 90 divisors (see below), whose sum is σ = 161529698330. Its totient is φ = 15912167040.

The previous prime is 52510168643. The next prime is 52510168693. The reversal of 52510168656 is 65686101525.

52510168656 is a `hidden beast` number, since 5 + 2 + 510 + 1 + 6 + 86 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 46749358656 + 5760810000 = 216216^2 + 75900^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1489411 + ... + 1524258.

Almost surely, 2^52510168656 is an apocalyptic number.

It is an amenable number.

52510168656 is an abundant number, since it is smaller than the sum of its proper divisors (109019529674).

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

52510168656 is a wasteful number, since it uses less digits than its factorization.

52510168656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013705 (or 3013685 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 52510168656 in words is "fifty-two billion, five hundred ten million, one hundred sixty-eight thousand, six hundred fifty-six".