50121616171 has 16 divisors (see below), whose sum is σ = 57938664960. Its totient is φ = 42852081280.

The previous prime is 50121616147. The next prime is 50121616187. The reversal of 50121616171 is 17161612105.

It is a cyclic number.

It is not a de Polignac number, because 50121616171 - 2³¹ = 47974132523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50121616771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145050 + ... + 348256.

It is an arithmetic number, because the mean of its divisors is an integer number (3621166560).

Almost surely, 2^50121616171 is an apocalyptic number.

50121616171 is a deficient number, since it is larger than the sum of its proper divisors (7817048789).

50121616171 is a wasteful number, since it uses less digits than its factorization.

50121616171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204554.

The product of its (nonzero) digits is 2520, while the sum is 31.

The spelling of 50121616171 in words is "fifty billion, one hundred twenty-one million, six hundred sixteen thousand, one hundred seventy-one".