50776749408 has 288 divisors, whose sum is σ = 171929495808. Its totient is φ = 12971750400.

The previous prime is 50776749407. The next prime is 50776749431. The reversal of 50776749408 is 80494767705.

50776749408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50776749403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3148341 + ... + 3164427.

It is an arithmetic number, because the mean of its divisors is an integer number (596977416).

Almost surely, 2^50776749408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50776749408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85964747904).

50776749408 is an abundant number, since it is smaller than the sum of its proper divisors (121152746400).

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

50776749408 is a wasteful number, since it uses less digits than its factorization.

50776749408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16186 (or 16171 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 57.

The spelling of 50776749408 in words is "fifty billion, seven hundred seventy-six million, seven hundred forty-nine thousand, four hundred eight".