52668686625 has 16 divisors (see below), whose sum is σ = 87640695168. Its totient is φ = 28089966000.

The previous prime is 52668686593. The next prime is 52668686659.

52668686625 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52668686625 - 2⁵ = 52668686593 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70224541 + ... + 70225290.

It is an arithmetic number, because the mean of its divisors is an integer number (5477543448).

Almost surely, 2^52668686625 is an apocalyptic number.

It is an amenable number.

52668686625 is a deficient number, since it is larger than the sum of its proper divisors (34972008543).

52668686625 is a wasteful number, since it uses less digits than its factorization.

52668686625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140449849 (or 140449839 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 60.

The spelling of 52668686625 in words is "fifty-two billion, six hundred sixty-eight million, six hundred eighty-six thousand, six hundred twenty-five".