52423229 has 4 divisors (see below), whose sum is σ = 52438176. Its totient is φ = 52408284.

The previous prime is 52423199. The next prime is 52423253. The reversal of 52423229 is 92232425.

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 a de Polignac number, because none of the positive numbers 2^k-52423229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52423289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962 + ... + 10284.

It is an arithmetic number, because the mean of its divisors is an integer number (13109544).

Almost surely, 2^52423229 is an apocalyptic number.

It is an amenable number.

52423229 is a deficient number, since it is larger than the sum of its proper divisors (14947).

52423229 is an equidigital number, since it uses as much as digits as its factorization.

52423229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14946.

The product of its digits is 8640, while the sum is 29.

The square root of 52423229 is about 7240.3887326579. The cubic root of 52423229 is about 374.2610134276.

The spelling of 52423229 in words is "fifty-two million, four hundred twenty-three thousand, two hundred twenty-nine".