50851638551884 has 12 divisors (see below), whose sum is σ = 89523243918864. Its totient is φ = 25273568860784.

The previous prime is 50851638551843. The next prime is 50851638551911. The reversal of 50851638551884 is 48815583615805.

It is a super-2 number, since 2×50851638551884² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38062603039 + ... + 38062604374.

It is an arithmetic number, because the mean of its divisors is an integer number (7460270326572).

Almost surely, 2^{50851638551884} is an apocalyptic number.

It is an amenable number.

50851638551884 is a deficient number, since it is larger than the sum of its proper divisors (38671605366980).

50851638551884 is a wasteful number, since it uses less digits than its factorization.

50851638551884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76125207584 (or 76125207582 counting only the distinct ones).

The product of its (nonzero) digits is 184320000, while the sum is 67.

The spelling of 50851638551884 in words is "fifty trillion, eight hundred fifty-one billion, six hundred thirty-eight million, five hundred fifty-one thousand, eight hundred eighty-four".