50851812 has 48 divisors (see below), whose sum is σ = 129858624. Its totient is φ = 15360000.

The previous prime is 50851799. The next prime is 50851883. The reversal of 50851812 is 21815805.

It is a self number, because there is not a number n which added to its sum of digits gives 50851812.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79012 + ... + 79652.

It is an arithmetic number, because the mean of its divisors is an integer number (2705388).

Almost surely, 2^50851812 is an apocalyptic number.

It is an amenable number.

50851812 is an abundant number, since it is smaller than the sum of its proper divisors (79006812).

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

50851812 is a wasteful number, since it uses less digits than its factorization.

50851812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260 (or 1258 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 50851812 is about 7131.0456456259. The cubic root of 50851812 is about 370.4834488792.

The spelling of 50851812 in words is "fifty million, eight hundred fifty-one thousand, eight hundred twelve".