50661716560 has 80 divisors (see below), whose sum is σ = 144970471296. Its totient is φ = 16033595904.

The previous prime is 50661716557. The next prime is 50661716597. The reversal of 50661716560 is 6561716605.

50661716560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3472234 + ... + 3486793.

Almost surely, 2^50661716560 is an apocalyptic number.

It is an amenable number.

50661716560 is an abundant number, since it is smaller than the sum of its proper divisors (94308754736).

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

50661716560 is a wasteful number, since it uses less digits than its factorization.

50661716560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6959060 (or 6959054 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 50661716560 in words is "fifty billion, six hundred sixty-one million, seven hundred sixteen thousand, five hundred sixty".