50333221 has 4 divisors (see below), whose sum is σ = 50347552. Its totient is φ = 50318892.

The previous prime is 50333201. The next prime is 50333233. The reversal of 50333221 is 12233305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 50333221 - 2¹¹ = 50331173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50333201) 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, 2080 + ... + 10246.

It is an arithmetic number, because the mean of its divisors is an integer number (12586888).

Almost surely, 2^50333221 is an apocalyptic number.

It is an amenable number.

50333221 is a deficient number, since it is larger than the sum of its proper divisors (14331).

50333221 is an equidigital number, since it uses as much as digits as its factorization.

50333221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14330.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 50333221 is about 7094.5909677726. The cubic root of 50333221 is about 369.2197362900.

Adding to 50333221 its reverse (12233305), we get a palindrome (62566526).

The spelling of 50333221 in words is "fifty million, three hundred thirty-three thousand, two hundred twenty-one".