52333221 has 8 divisors (see below), whose sum is σ = 69860704. Its totient is φ = 34847280.

The previous prime is 52333199. The next prime is 52333223. The reversal of 52333221 is 12233325.

52333221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52333221 - 2⁷ = 52333093 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 (52333223) 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 7 ways as a sum of consecutive naturals, for example, 7315 + ... + 12576.

It is an arithmetic number, because the mean of its divisors is an integer number (8732588).

Almost surely, 2^52333221 is an apocalyptic number.

It is an amenable number.

52333221 is a deficient number, since it is larger than the sum of its proper divisors (17527483).

52333221 is a wasteful number, since it uses less digits than its factorization.

52333221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20771.

The product of its digits is 1080, while the sum is 21.

The square root of 52333221 is about 7234.1703739959. The cubic root of 52333221 is about 374.0466950572.

Adding to 52333221 its reverse (12233325), we get a palindrome (64566546).

The spelling of 52333221 in words is "fifty-two million, three hundred thirty-three thousand, two hundred twenty-one".