50661405316 has 12 divisors (see below), whose sum is σ = 90330241932. Its totient is φ = 24852764768.

The previous prime is 50661405299. The next prime is 50661405349. The reversal of 50661405316 is 61350416605.

It can be written as a sum of positive squares in 2 ways, for example, as 31244097600 + 19417307716 = 176760^2 + 139346^2 .

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 3 ways as a sum of consecutive naturals, for example, 119484235 + ... + 119484658.

It is an arithmetic number, because the mean of its divisors is an integer number (7527520161).

Almost surely, 2^50661405316 is an apocalyptic number.

It is an amenable number.

50661405316 is a deficient number, since it is larger than the sum of its proper divisors (39668836616).

50661405316 is a wasteful number, since it uses less digits than its factorization.

50661405316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238968950 (or 238968948 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 50661405316 in words is "fifty billion, six hundred sixty-one million, four hundred five thousand, three hundred sixteen".