50421228 has 48 divisors (see below), whose sum is σ = 138222336. Its totient is φ = 14103360.

The previous prime is 50421211. The next prime is 50421229. The reversal of 50421228 is 82212405.

50421228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 50421198 and 50421207.

It is not an unprimeable number, because it can be changed into a prime (50421229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12976 + ... + 16407.

It is an arithmetic number, because the mean of its divisors is an integer number (2879632).

Almost surely, 2^50421228 is an apocalyptic number.

It is an amenable number.

50421228 is an abundant number, since it is smaller than the sum of its proper divisors (87801108).

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

50421228 is a wasteful number, since it uses less digits than its factorization.

50421228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29414 (or 29412 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 50421228 is about 7100.7906602012. The cubic root of 50421228 is about 369.4348030038.

The spelling of 50421228 in words is "fifty million, four hundred twenty-one thousand, two hundred twenty-eight".