50421233 has 4 divisors (see below), whose sum is σ = 50454180. Its totient is φ = 50388288.

The previous prime is 50421229. The next prime is 50421263. The reversal of 50421233 is 33212405.

It is a happy number.

50421233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48762289 + 1658944 = 6983^2 + 1288^2 .

It is a cyclic number.

It is not a de Polignac number, because 50421233 - 2² = 50421229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50421263) 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 3 ways as a sum of consecutive naturals, for example, 14060 + ... + 17277.

It is an arithmetic number, because the mean of its divisors is an integer number (12613545).

Almost surely, 2^50421233 is an apocalyptic number.

It is an amenable number.

50421233 is a deficient number, since it is larger than the sum of its proper divisors (32947).

50421233 is a wasteful number, since it uses less digits than its factorization.

50421233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32946.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 50421233 is about 7100.7910122746. The cubic root of 50421233 is about 369.4348152154.

Adding to 50421233 its reverse (33212405), we get a palindrome (83633638).

The spelling of 50421233 in words is "fifty million, four hundred twenty-one thousand, two hundred thirty-three".