50851673983 has 4 divisors (see below), whose sum is σ = 55474553448. Its totient is φ = 46228794520.

The previous prime is 50851673953. The next prime is 50851673987. The reversal of 50851673983 is 38937615805.

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 50851673983 - 2²⁵ = 50818119551 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 (50851673987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2311439716 + ... + 2311439737.

It is an arithmetic number, because the mean of its divisors is an integer number (13868638362).

Almost surely, 2^50851673983 is an apocalyptic number.

50851673983 is a deficient number, since it is larger than the sum of its proper divisors (4622879465).

50851673983 is a wasteful number, since it uses less digits than its factorization.

50851673983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622879464.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 50851673983 in words is "fifty billion, eight hundred fifty-one million, six hundred seventy-three thousand, nine hundred eighty-three".