52630618660 has 24 divisors (see below), whose sum is σ = 110576011896. Its totient is φ = 21042397440.

The previous prime is 52630618643. The next prime is 52630618669. The reversal of 52630618660 is 6681603625.

It can be written as a sum of positive squares in 4 ways, for example, as 27375687936 + 25254930724 = 165456^2 + 158918^2 .

It is not an unprimeable number, because it can be changed into a prime (52630618669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571737 + ... + 657376.

It is an arithmetic number, because the mean of its divisors is an integer number (4607333829).

Almost surely, 2^52630618660 is an apocalyptic number.

It is an amenable number.

52630618660 is an abundant number, since it is smaller than the sum of its proper divisors (57945393236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52630618660 is a wasteful number, since it uses less digits than its factorization.

52630618660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231263 (or 1231261 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 52630618660 in words is "fifty-two billion, six hundred thirty million, six hundred eighteen thousand, six hundred sixty".