50689290164 has 6 divisors (see below), whose sum is σ = 88706257794. Its totient is φ = 25344645080.

The previous prime is 50689290161. The next prime is 50689290199. The reversal of 50689290164 is 46109298605.

It can be written as a sum of positive squares in only one way, i.e., 44799955600 + 5889334564 = 211660^2 + 76742^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50689290161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6336161267 + ... + 6336161274.

It is an arithmetic number, because the mean of its divisors is an integer number (14784376299).

Almost surely, 2^50689290164 is an apocalyptic number.

It is an amenable number.

50689290164 is a deficient number, since it is larger than the sum of its proper divisors (38016967630).

50689290164 is a wasteful number, since it uses less digits than its factorization.

50689290164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12672322545 (or 12672322543 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 50689290164 in words is "fifty billion, six hundred eighty-nine million, two hundred ninety thousand, one hundred sixty-four".