50550502780 has 36 divisors (see below), whose sum is σ = 109690950600. Its totient is φ = 19567929120.

The previous prime is 50550502777. The next prime is 50550502817. The reversal of 50550502780 is 8720505505.

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, 1295830 + ... + 1334269.

It is an arithmetic number, because the mean of its divisors is an integer number (3046970850).

Almost surely, 2^50550502780 is an apocalyptic number.

It is an amenable number.

50550502780 is an abundant number, since it is smaller than the sum of its proper divisors (59140447820).

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

50550502780 is a wasteful number, since it uses less digits than its factorization.

50550502780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630170 (or 2630137 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 37.

The spelling of 50550502780 in words is "fifty billion, five hundred fifty million, five hundred two thousand, seven hundred eighty".