52546664525 has 24 divisors (see below), whose sum is σ = 66536422944. Its totient is φ = 41155646400.

The previous prime is 52546664509. The next prime is 52546664549.

52546664525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52546664525 - 2⁴ = 52546664509 is a prime.

It is a super-2 number, since 2×52546664525² (a number of 22 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 176795 + ... + 369255.

It is an arithmetic number, because the mean of its divisors is an integer number (2772350956).

Almost surely, 2^52546664525 is an apocalyptic number.

It is an amenable number.

52546664525 is a deficient number, since it is larger than the sum of its proper divisors (13989758419).

52546664525 is a wasteful number, since it uses less digits than its factorization.

52546664525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192701 (or 192696 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 50.

The spelling of 52546664525 in words is "fifty-two billion, five hundred forty-six million, six hundred sixty-four thousand, five hundred twenty-five".