52556865525 has 96 divisors (see below), whose sum is σ = 104992030080. Its totient is φ = 25668264960.

The previous prime is 52556865497. The next prime is 52556865533.

52556865525 is a `hidden beast` number, since 5 + 2 + 5 + 5 + 6 + 86 + 552 + 5 = 666.

52556865525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52556865525 - 2¹⁰ = 52556864501 is a prime.

It is a super-2 number, since 2×52556865525² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 362682 + ... + 486468.

It is an arithmetic number, because the mean of its divisors is an integer number (1093666980).

Almost surely, 2^52556865525 is an apocalyptic number.

It is an amenable number.

52556865525 is a deficient number, since it is larger than the sum of its proper divisors (52435164555).

52556865525 is a wasteful number, since it uses less digits than its factorization.

52556865525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123860 (or 123849 counting only the distinct ones).

The product of its digits is 18000000, while the sum is 54.

The spelling of 52556865525 in words is "fifty-two billion, five hundred fifty-six million, eight hundred sixty-five thousand, five hundred twenty-five".