50581291673 has 4 divisors (see below), whose sum is σ = 55179590928. Its totient is φ = 45982992420.

The previous prime is 50581291633. The next prime is 50581291679. The reversal of 50581291673 is 37619218505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50581291673 - 2¹⁸ = 50581029529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50581291679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2299149611 + ... + 2299149632.

It is an arithmetic number, because the mean of its divisors is an integer number (13794897732).

Almost surely, 2^50581291673 is an apocalyptic number.

It is an amenable number.

50581291673 is a deficient number, since it is larger than the sum of its proper divisors (4598299255).

50581291673 is a wasteful number, since it uses less digits than its factorization.

50581291673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4598299254.

The product of its (nonzero) digits is 453600, while the sum is 47.

The spelling of 50581291673 in words is "fifty billion, five hundred eighty-one million, two hundred ninety-one thousand, six hundred seventy-three".