52646864625 has 64 divisors (see below), whose sum is σ = 100694880000. Its totient is φ = 27110059200.

The previous prime is 52646864603. The next prime is 52646864663.

52646864625 is a `hidden beast` number, since 5 + 2 + 6 + 4 + 6 + 8 + 6 + 4 + 625 = 666.

52646864625 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52646864625 - 2⁶ = 52646864561 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 171075 + ... + 366824.

It is an arithmetic number, because the mean of its divisors is an integer number (1573357500).

Almost surely, 2^52646864625 is an apocalyptic number.

It is an amenable number.

52646864625 is a deficient number, since it is larger than the sum of its proper divisors (48048015375).

52646864625 is a wasteful number, since it uses less digits than its factorization.

52646864625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537952 (or 537936 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 54.

The spelling of 52646864625 in words is "fifty-two billion, six hundred forty-six million, eight hundred sixty-four thousand, six hundred twenty-five".