50685877564884 has 36 divisors (see below), whose sum is σ = 128125176783604. Its totient is φ = 16894957335552.

The previous prime is 50685877564873. The next prime is 50685877564891. The reversal of 50685877564884 is 48846577858605.

50685877564884 is a `hidden beast` number, since 5 + 0 + 6 + 8 + 5 + 87 + 7 + 56 + 488 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11668714402500 + 39017163162384 = 3415950^2 + 6246372^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×50685877564884² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (81) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12122947 + ... + 15758730.

Almost surely, 2^{50685877564884} is an apocalyptic number.

It is an amenable number.

50685877564884 is an abundant number, since it is smaller than the sum of its proper divisors (77439299218720).

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

50685877564884 is a wasteful number, since it uses less digits than its factorization.

50685877564884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27932184 (or 27932179 counting only the distinct ones).

The product of its (nonzero) digits is 14450688000, while the sum is 81.

The spelling of 50685877564884 in words is "fifty trillion, six hundred eighty-five billion, eight hundred seventy-seven million, five hundred sixty-four thousand, eight hundred eighty-four".