50423765161 has 64 divisors (see below), whose sum is σ = 67876655616. Its totient is φ = 36254822400.

The previous prime is 50423765111. The next prime is 50423765179. The reversal of 50423765161 is 16156732405.

It is a cyclic number.

It is not a de Polignac number, because 50423765161 - 2³¹ = 48276281513 is a prime.

It is a super-4 number, since 4×50423765161⁴ (a number of 44 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (50423765111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29782831 + ... + 29784523.

It is an arithmetic number, because the mean of its divisors is an integer number (1060572744).

Almost surely, 2^50423765161 is an apocalyptic number.

It is an amenable number.

50423765161 is a deficient number, since it is larger than the sum of its proper divisors (17452890455).

50423765161 is a wasteful number, since it uses less digits than its factorization.

50423765161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 50423765161 in words is "fifty billion, four hundred twenty-three million, seven hundred sixty-five thousand, one hundred sixty-one".