52540524522 has 24 divisors (see below), whose sum is σ = 114845221764. Its totient is φ = 17358520704.

The previous prime is 52540524493. The next prime is 52540524523. The reversal of 52540524522 is 22542504525.

52540524522 is a `hidden beast` number, since 5 + 2 + 5 + 405 + 245 + 2 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 38432073681 + 14108450841 = 196041^2 + 118779^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (52540524523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12913533 + ... + 12917600.

Almost surely, 2^52540524522 is an apocalyptic number.

52540524522 is an abundant number, since it is smaller than the sum of its proper divisors (62304697242).

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

52540524522 is a wasteful number, since it uses less digits than its factorization.

52540524522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25831254 (or 25831251 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The spelling of 52540524522 in words is "fifty-two billion, five hundred forty million, five hundred twenty-four thousand, five hundred twenty-two".