50555050505891 has 16 divisors (see below), whose sum is σ = 53312491353600. Its totient is φ = 47807305552800.

The previous prime is 50555050505881. The next prime is 50555050505903. The reversal of 50555050505891 is 19850505055505.

It is a cyclic number.

It is not a de Polignac number, because 50555050505891 - 2³⁸ = 50280172598947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50555050505881) 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, 58623926 + ... + 59480036.

It is an arithmetic number, because the mean of its divisors is an integer number (3332030709600).

Almost surely, 2^{50555050505891} is an apocalyptic number.

50555050505891 is a deficient number, since it is larger than the sum of its proper divisors (2757440847709).

50555050505891 is a wasteful number, since it uses less digits than its factorization.

50555050505891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861770.

The product of its (nonzero) digits is 5625000, while the sum is 53.

The spelling of 50555050505891 in words is "fifty trillion, five hundred fifty-five billion, fifty million, five hundred five thousand, eight hundred ninety-one".