50851992 has 16 divisors (see below), whose sum is σ = 127130040. Its totient is φ = 16950656.

The previous prime is 50851951. The next prime is 50852003. The reversal of 50851992 is 29915805.

It is a self number, because there is not a number n which added to its sum of digits gives 50851992.

It is a congruent number.

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, 1059393 + ... + 1059440.

Almost surely, 2^50851992 is an apocalyptic number.

It is an amenable number.

50851992 is an abundant number, since it is smaller than the sum of its proper divisors (76278048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50851992 is a wasteful number, since it uses less digits than its factorization.

50851992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118842 (or 2118838 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 50851992 is about 7131.0582664847. The cubic root of 50851992 is about 370.4838860117.

The spelling of 50851992 in words is "fifty million, eight hundred fifty-one thousand, nine hundred ninety-two".