50616628891 has 16 divisors (see below), whose sum is σ = 51820134400. Its totient is φ = 49426977600.

The previous prime is 50616628873. The next prime is 50616628939. The reversal of 50616628891 is 19882661605.

It is not a de Polignac number, because 50616628891 - 2¹¹ = 50616626843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50616628831) 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, 16599535 + ... + 16602583.

It is an arithmetic number, because the mean of its divisors is an integer number (3238758400).

Almost surely, 2^50616628891 is an apocalyptic number.

50616628891 is a deficient number, since it is larger than the sum of its proper divisors (1203505509).

50616628891 is a wasteful number, since it uses less digits than its factorization.

50616628891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5194.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 50616628891 in words is "fifty billion, six hundred sixteen million, six hundred twenty-eight thousand, eight hundred ninety-one".