52643600656 has 40 divisors (see below), whose sum is σ = 107731854720. Its totient is φ = 24851293056.

The previous prime is 52643600627. The next prime is 52643600663. The reversal of 52643600656 is 65600634625.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206440 + ... + 384583.

It is an arithmetic number, because the mean of its divisors is an integer number (2693296368).

Almost surely, 2^52643600656 is an apocalyptic number.

It is an amenable number.

52643600656 is an abundant number, since it is smaller than the sum of its proper divisors (55088254064).

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

52643600656 is a wasteful number, since it uses less digits than its factorization.

52643600656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591343 (or 591337 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 52643600656 in words is "fifty-two billion, six hundred forty-three million, six hundred thousand, six hundred fifty-six".