52539681168 has 60 divisors (see below), whose sum is σ = 158348766940. Its totient is φ = 16166055168.

The previous prime is 52539681157. The next prime is 52539681197. The reversal of 52539681168 is 86118693525.

52539681168 is a `hidden beast` number, since 525 + 39 + 6 + 81 + 1 + 6 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 26026723584 + 26512957584 = 161328^2 + 162828^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14031163 + ... + 14034906.

Almost surely, 2^52539681168 is an apocalyptic number.

It is an amenable number.

52539681168 is an abundant number, since it is smaller than the sum of its proper divisors (105809085772).

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

52539681168 is a wasteful number, since it uses less digits than its factorization.

52539681168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28066096 (or 28066087 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The spelling of 52539681168 in words is "fifty-two billion, five hundred thirty-nine million, six hundred eighty-one thousand, one hundred sixty-eight".