52557475525 has 12 divisors (see below), whose sum is σ = 65183416164. Its totient is φ = 42038144000.

The previous prime is 52557475447. The next prime is 52557475543.

52557475525 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 6 ways, for example, as 8119992321 + 44437483204 = 90111^2 + 210802^2 .

It is not a de Polignac number, because 52557475525 - 2⁹ = 52557475013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57166 + ... + 329215.

It is an arithmetic number, because the mean of its divisors is an integer number (5431951347).

Almost surely, 2^52557475525 is an apocalyptic number.

It is an amenable number.

52557475525 is a deficient number, since it is larger than the sum of its proper divisors (12625940639).

52557475525 is a wasteful number, since it uses less digits than its factorization.

52557475525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391832 (or 391827 counting only the distinct ones).

The product of its digits is 12250000, while the sum is 52.

The spelling of 52557475525 in words is "fifty-two billion, five hundred fifty-seven million, four hundred seventy-five thousand, five hundred twenty-five".