53234321 has 4 divisors (see below), whose sum is σ = 60839232. Its totient is φ = 45629412.

The previous prime is 53234287. The next prime is 53234323. The reversal of 53234321 is 12343235.

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 a de Polignac number, because none of the positive numbers 2^k-53234321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53234323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3802445 + ... + 3802458.

It is an arithmetic number, because the mean of its divisors is an integer number (15209808).

Almost surely, 2^53234321 is an apocalyptic number.

It is an amenable number.

53234321 is a deficient number, since it is larger than the sum of its proper divisors (7604911).

53234321 is an equidigital number, since it uses as much as digits as its factorization.

53234321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7604910.

The product of its digits is 2160, while the sum is 23.

The square root of 53234321 is about 7296.1853731933. The cubic root of 53234321 is about 376.1813318244.

Adding to 53234321 its reverse (12343235), we get a palindrome (65577556).

The spelling of 53234321 in words is "fifty-three million, two hundred thirty-four thousand, three hundred twenty-one".