50786228164 has 27 divisors (see below), whose sum is σ = 103392673293. Its totient is φ = 21764174208.

The previous prime is 50786228123. The next prime is 50786228197. The reversal of 50786228164 is 46182268705.

The square root of 50786228164 is 225358.

It is a perfect power (a square), and thus also a powerful number.

50786228164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 29292322500 + 21493905664 = 171150^2 + 146608^2 .

It is a super-2 number, since 2×50786228164² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3146964 + ... + 3163060.

Almost surely, 2^50786228164 is an apocalyptic number.

50786228164 is the 225358-th square number.

It is an amenable number.

50786228164 is an abundant number, since it is smaller than the sum of its proper divisors (52606445129).

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

50786228164 is an frugal number, since it uses more digits than its factorization.

50786228164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32212 (or 16106 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

Multiplying 50786228164 by its sum of digits (49), we get a square (2488525180036 = 1577506²).

50786228164 divided by its sum of digits (49) gives a square (1036453636 = 32194²).

The spelling of 50786228164 in words is "fifty billion, seven hundred eighty-six million, two hundred twenty-eight thousand, one hundred sixty-four".