52561056656 has 10 divisors (see below), whose sum is σ = 101837047302. Its totient is φ = 26280528320.

The previous prime is 52561056617. The next prime is 52561056677. The reversal of 52561056656 is 65665016525.

It can be written as a sum of positive squares in only one way, i.e., 51538080400 + 1022976256 = 227020^2 + 31984^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52561056656.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1642533005 + ... + 1642533036.

Almost surely, 2^52561056656 is an apocalyptic number.

It is an amenable number.

52561056656 is a deficient number, since it is larger than the sum of its proper divisors (49275990646).

52561056656 is a wasteful number, since it uses less digits than its factorization.

52561056656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285066049 (or 3285066043 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 52561056656 in words is "fifty-two billion, five hundred sixty-one million, fifty-six thousand, six hundred fifty-six".