52665656625 has 128 divisors (see below), whose sum is σ = 103460198400. Its totient is φ = 26385004800.

The previous prime is 52665656539. The next prime is 52665656627.

52665656625 is a `hidden beast` number, since 5 + 2 + 6 + 6 + 5 + 6 + 5 + 6 + 625 = 666.

52665656625 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52665656625 - 2¹³ = 52665648433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52665656627) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3614104 + ... + 3628646.

It is an arithmetic number, because the mean of its divisors is an integer number (808282800).

Almost surely, 2^52665656625 is an apocalyptic number.

It is an amenable number.

52665656625 is a deficient number, since it is larger than the sum of its proper divisors (50794541775).

52665656625 is a wasteful number, since it uses less digits than its factorization.

52665656625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14633 (or 14617 counting only the distinct ones).

The product of its digits is 19440000, while the sum is 54.

The spelling of 52665656625 in words is "fifty-two billion, six hundred sixty-five million, six hundred fifty-six thousand, six hundred twenty-five".