50054554591 has 4 divisors (see below), whose sum is σ = 50361637912. Its totient is φ = 49747471272.

The previous prime is 50054554553. The next prime is 50054554597. The reversal of 50054554591 is 19545545005.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50054554591 - 2¹⁷ = 50054423519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50054554597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153541416 + ... + 153541741.

It is an arithmetic number, because the mean of its divisors is an integer number (12590409478).

Almost surely, 2^50054554591 is an apocalyptic number.

50054554591 is a deficient number, since it is larger than the sum of its proper divisors (307083321).

50054554591 is a wasteful number, since it uses less digits than its factorization.

50054554591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307083320.

The product of its (nonzero) digits is 450000, while the sum is 43.

The spelling of 50054554591 in words is "fifty billion, fifty-four million, five hundred fifty-four thousand, five hundred ninety-one".