52758057528 has 48 divisors (see below), whose sum is σ = 155876081400. Its totient is φ = 15987289920.

The previous prime is 52758057481. The next prime is 52758057563. The reversal of 52758057528 is 82575085725.

52758057528 is a `hidden beast` number, since 5 + 2 + 7 + 580 + 5 + 7 + 52 + 8 = 666.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 33306063 + ... + 33307646.

Almost surely, 2^52758057528 is an apocalyptic number.

It is an amenable number.

52758057528 is an abundant number, since it is smaller than the sum of its proper divisors (103118023872).

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

52758057528 is a wasteful number, since it uses less digits than its factorization.

52758057528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66613732 (or 66613725 counting only the distinct ones).

The product of its (nonzero) digits is 7840000, while the sum is 54.

The spelling of 52758057528 in words is "fifty-two billion, seven hundred fifty-eight million, fifty-seven thousand, five hundred twenty-eight".