50017021616 has 40 divisors (see below), whose sum is σ = 97670873664. Its totient is φ = 24812282880.

The previous prime is 50017021609. The next prime is 50017021619. The reversal of 50017021616 is 61612071005.

It is a super-2 number, since 2×50017021616² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50017021619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1234025 + ... + 1273911.

Almost surely, 2^50017021616 is an apocalyptic number.

It is an amenable number.

50017021616 is a deficient number, since it is larger than the sum of its proper divisors (47653852048).

50017021616 is a wasteful number, since it uses less digits than its factorization.

50017021616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40509 (or 40503 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The spelling of 50017021616 in words is "fifty billion, seventeen million, twenty-one thousand, six hundred sixteen".