50648866656 has 96 divisors (see below), whose sum is σ = 143733461760. Its totient is φ = 15562077696.

The previous prime is 50648866633. The next prime is 50648866663. The reversal of 50648866656 is 65666884605.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 50648866656.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307756 + ... + 442731.

It is an arithmetic number, because the mean of its divisors is an integer number (1497223560).

Almost surely, 2^50648866656 is an apocalyptic number.

It is an amenable number.

50648866656 is an abundant number, since it is smaller than the sum of its proper divisors (93084595104).

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

50648866656 is a wasteful number, since it uses less digits than its factorization.

50648866656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750556 (or 750548 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 60.

The spelling of 50648866656 in words is "fifty billion, six hundred forty-eight million, eight hundred sixty-six thousand, six hundred fifty-six".