50661565044 has 48 divisors (see below), whose sum is σ = 118841189376. Its totient is φ = 16797160800.

The previous prime is 50661565013. The next prime is 50661565067. The reversal of 50661565044 is 44056516605.

50661565044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 50661564987 and 50661565005.

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, 5127429 + ... + 5137299.

It is an arithmetic number, because the mean of its divisors is an integer number (2475858112).

Almost surely, 2^50661565044 is an apocalyptic number.

It is an amenable number.

50661565044 is an abundant number, since it is smaller than the sum of its proper divisors (68179624332).

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

50661565044 is a wasteful number, since it uses less digits than its factorization.

50661565044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12116 (or 12114 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 50661565044 in words is "fifty billion, six hundred sixty-one million, five hundred sixty-five thousand, forty-four".