50775017064 has 128 divisors (see below), whose sum is σ = 130969612800. Its totient is φ = 16395724800.

The previous prime is 50775017047. The next prime is 50775017071. The reversal of 50775017064 is 46071057705.

50775017064 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 31 ways as a sum of consecutive naturals, for example, 72431914 + ... + 72432614.

It is an arithmetic number, because the mean of its divisors is an integer number (1023200100).

Almost surely, 2^50775017064 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 50775017064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65484806400).

50775017064 is an abundant number, since it is smaller than the sum of its proper divisors (80194595736).

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

50775017064 is a wasteful number, since it uses less digits than its factorization.

50775017064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323 (or 1319 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 42.

The spelling of 50775017064 in words is "fifty billion, seven hundred seventy-five million, seventeen thousand, sixty-four".