50819135761 has 3 divisors (see below), whose sum is σ = 50819361193. Its totient is φ = 50818910330.

The previous prime is 50819135753. The next prime is 50819135813. The reversal of 50819135761 is 16753191805.

The square root of 50819135761 is 225431.

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

50819135761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 50819135761 - 2³ = 50819135753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50819135161) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 112716 + ... + 338146.

Almost surely, 2^50819135761 is an apocalyptic number.

50819135761 is the 225431-st square number.

50819135761 is the 112716-th centered octagonal number.

It is an amenable number.

50819135761 is a deficient number, since it is larger than the sum of its proper divisors (225432).

50819135761 is an frugal number, since it uses more digits than its factorization.

50819135761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450862 (or 225431 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 46.

The spelling of 50819135761 in words is "fifty billion, eight hundred nineteen million, one hundred thirty-five thousand, seven hundred sixty-one".