52214321 has 4 divisors (see below), whose sum is σ = 53325312. Its totient is φ = 51103332.

The previous prime is 52214291. The next prime is 52214417. The reversal of 52214321 is 12341225.

52214321 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52214321 - 2¹⁰ = 52213297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52214293 and 52214302.

It is not an unprimeable number, because it can be changed into a prime (52214521) 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, 555425 + ... + 555518.

It is an arithmetic number, because the mean of its divisors is an integer number (13331328).

Almost surely, 2^52214321 is an apocalyptic number.

It is an amenable number.

52214321 is a deficient number, since it is larger than the sum of its proper divisors (1110991).

52214321 is a wasteful number, since it uses less digits than its factorization.

52214321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110990.

The product of its digits is 480, while the sum is 20.

The square root of 52214321 is about 7225.9477579069. The cubic root of 52214321 is about 373.7632047922.

Adding to 52214321 its reverse (12341225), we get a palindrome (64555546).

The spelling of 52214321 in words is "fifty-two million, two hundred fourteen thousand, three hundred twenty-one".