50777763556 has 288 divisors, whose sum is σ = 111948802560. Its totient is φ = 19977560064.

The previous prime is 50777763523. The next prime is 50777763557. The reversal of 50777763556 is 65536777705.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a self number, because there is not a number n which added to its sum of digits gives 50777763556.

It is not an unprimeable number, because it can be changed into a prime (50777763557) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 757877035 + ... + 757877101.

It is an arithmetic number, because the mean of its divisors is an integer number (388711120).

Almost surely, 2^50777763556 is an apocalyptic number.

It is an amenable number.

50777763556 is an abundant number, since it is smaller than the sum of its proper divisors (61171039004).

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

50777763556 is a wasteful number, since it uses less digits than its factorization.

50777763556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 32413500, while the sum is 58.

The spelling of 50777763556 in words is "fifty billion, seven hundred seventy-seven million, seven hundred sixty-three thousand, five hundred fifty-six".