50565513256 has 8 divisors (see below), whose sum is σ = 94810337370. Its totient is φ = 25282756624.

The previous prime is 50565513227. The next prime is 50565513263. The reversal of 50565513256 is 65231556505.

It can be written as a sum of positive squares in only one way, i.e., 32627196900 + 17938316356 = 180630^2 + 133934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×50565513256² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3160344571 + ... + 3160344586.

Almost surely, 2^50565513256 is an apocalyptic number.

It is an amenable number.

50565513256 is a deficient number, since it is larger than the sum of its proper divisors (44244824114).

50565513256 is a wasteful number, since it uses less digits than its factorization.

50565513256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6320689163 (or 6320689159 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 43.

The spelling of 50565513256 in words is "fifty billion, five hundred sixty-five million, five hundred thirteen thousand, two hundred fifty-six".