50778560116 has 12 divisors (see below), whose sum is σ = 88866177988. Its totient is φ = 25388223552.

The previous prime is 50778560101. The next prime is 50778560137. The reversal of 50778560116 is 61106587705.

It can be written as a sum of positive squares in 2 ways, for example, as 13528016100 + 37250544016 = 116310^2 + 193004^2 .

It is a congruent number.

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, 150561 + ... + 352456.

Almost surely, 2^50778560116 is an apocalyptic number.

It is an amenable number.

50778560116 is a deficient number, since it is larger than the sum of its proper divisors (38087617872).

50778560116 is a wasteful number, since it uses less digits than its factorization.

50778560116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528258 (or 528256 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 46.

The spelling of 50778560116 in words is "fifty billion, seven hundred seventy-eight million, five hundred sixty thousand, one hundred sixteen".