50516380169 has 4 divisors (see below), whose sum is σ = 53175137040. Its totient is φ = 47857623300.

The previous prime is 50516380157. The next prime is 50516380183. The reversal of 50516380169 is 96108361505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50516380169 - 2³² = 46221412873 is a prime.

It is a super-2 number, since 2×50516380169² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50516380129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1329378407 + ... + 1329378444.

It is an arithmetic number, because the mean of its divisors is an integer number (13293784260).

Almost surely, 2^50516380169 is an apocalyptic number.

It is an amenable number.

50516380169 is a deficient number, since it is larger than the sum of its proper divisors (2658756871).

50516380169 is a wasteful number, since it uses less digits than its factorization.

50516380169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658756870.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 50516380169 in words is "fifty billion, five hundred sixteen million, three hundred eighty thousand, one hundred sixty-nine".