50401789165 has 32 divisors (see below), whose sum is σ = 74473330176. Its totient is φ = 31888200960.

The previous prime is 50401789153. The next prime is 50401789187. The reversal of 50401789165 is 56198710405.

It is not a de Polignac number, because 50401789165 - 2⁷ = 50401789037 is a prime.

It is a super-2 number, since 2×50401789165² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1027539 + ... + 1075471.

It is an arithmetic number, because the mean of its divisors is an integer number (2327291568).

Almost surely, 2^50401789165 is an apocalyptic number.

It is an amenable number.

50401789165 is a deficient number, since it is larger than the sum of its proper divisors (24071541011).

50401789165 is a wasteful number, since it uses less digits than its factorization.

50401789165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50269.

The product of its (nonzero) digits is 302400, while the sum is 46.

The spelling of 50401789165 in words is "fifty billion, four hundred one million, seven hundred eighty-nine thousand, one hundred sixty-five".