50659111921 has 8 divisors (see below), whose sum is σ = 55268043264. Its totient is φ = 46050773520.

The previous prime is 50659111913. The next prime is 50659111939. The reversal of 50659111921 is 12911195605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50659111921 - 2³ = 50659111913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50659111981) 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, 40911 + ... + 320923.

It is an arithmetic number, because the mean of its divisors is an integer number (6908505408).

Almost surely, 2^50659111921 is an apocalyptic number.

It is an amenable number.

50659111921 is a deficient number, since it is larger than the sum of its proper divisors (4608931343).

50659111921 is a wasteful number, since it uses less digits than its factorization.

50659111921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296471.

The product of its (nonzero) digits is 24300, while the sum is 40.

The spelling of 50659111921 in words is "fifty billion, six hundred fifty-nine million, one hundred eleven thousand, nine hundred twenty-one".