50772864 has 64 divisors (see below), whose sum is σ = 141984000. Its totient is φ = 16031232.

The previous prime is 50772847. The next prime is 50772871. The reversal of 50772864 is 46827705.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3817 + ... + 10775.

It is an arithmetic number, because the mean of its divisors is an integer number (2218500).

Almost surely, 2^50772864 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 50772864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70992000).

50772864 is an abundant number, since it is smaller than the sum of its proper divisors (91211136).

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

50772864 is a wasteful number, since it uses less digits than its factorization.

50772864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6995 (or 6983 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 50772864 is about 7125.5079818915. The cubic root of 50772864 is about 370.2916230250.

The spelling of 50772864 in words is "fifty million, seven hundred seventy-two thousand, eight hundred sixty-four".