50778431368 has 32 divisors (see below), whose sum is σ = 112563028800. Its totient is φ = 21011764032.

The previous prime is 50778431359. The next prime is 50778431371. The reversal of 50778431368 is 86313487705.

50778431368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15632130 + ... + 15635377.

It is an arithmetic number, because the mean of its divisors is an integer number (3517594650).

Almost surely, 2^50778431368 is an apocalyptic number.

50778431368 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

50778431368 is an abundant number, since it is smaller than the sum of its proper divisors (61784597432).

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

50778431368 is a wasteful number, since it uses less digits than its factorization.

50778431368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31267549 (or 31267545 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 50778431368 in words is "fifty billion, seven hundred seventy-eight million, four hundred thirty-one thousand, three hundred sixty-eight".