50977966736 has 20 divisors (see below), whose sum is σ = 98805311100. Its totient is φ = 25479821952.

The previous prime is 50977966729. The next prime is 50977966757. The reversal of 50977966736 is 63766977905.

It can be written as a sum of positive squares in 2 ways, for example, as 23734483600 + 27243483136 = 154060^2 + 165056^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526571 + ... + 615818.

It is an arithmetic number, because the mean of its divisors is an integer number (4940265555).

Almost surely, 2^50977966736 is an apocalyptic number.

It is an amenable number.

50977966736 is a deficient number, since it is larger than the sum of its proper divisors (47827344364).

50977966736 is a wasteful number, since it uses less digits than its factorization.

50977966736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145186 (or 1145180 counting only the distinct ones).

The product of its (nonzero) digits is 90016920, while the sum is 65.

The spelling of 50977966736 in words is "fifty billion, nine hundred seventy-seven million, nine hundred sixty-six thousand, seven hundred thirty-six".