52622321 has 8 divisors (see below), whose sum is σ = 55811904. Its totient is φ = 49507920.

The previous prime is 52622291. The next prime is 52622329. The reversal of 52622321 is 12322625.

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

It is a cyclic number.

It is not a de Polignac number, because 52622321 - 2¹⁰ = 52621297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52622329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17351 + ... + 20156.

It is an arithmetic number, because the mean of its divisors is an integer number (6976488).

Almost surely, 2^52622321 is an apocalyptic number.

It is an amenable number.

52622321 is a deficient number, since it is larger than the sum of its proper divisors (3189583).

52622321 is a wasteful number, since it uses less digits than its factorization.

52622321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37591.

The product of its digits is 1440, while the sum is 23.

The square root of 52622321 is about 7254.1244130494. The cubic root of 52622321 is about 374.7342021671.

Adding to 52622321 its reverse (12322625), we get a palindrome (64944946).

The spelling of 52622321 in words is "fifty-two million, six hundred twenty-two thousand, three hundred twenty-one".