50421892 has 12 divisors (see below), whose sum is σ = 88507216. Its totient is φ = 25134120.

The previous prime is 50421887. The next prime is 50421893. The reversal of 50421892 is 29812405.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (50421893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17718 + ... + 20365.

Almost surely, 2^50421892 is an apocalyptic number.

It is an amenable number.

50421892 is a deficient number, since it is larger than the sum of its proper divisors (38085324).

50421892 is a wasteful number, since it uses less digits than its factorization.

50421892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38418 (or 38416 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 50421892 is about 7100.8374154039. The cubic root of 50421892 is about 369.4364246993.

The spelling of 50421892 in words is "fifty million, four hundred twenty-one thousand, eight hundred ninety-two".