53224213 has 4 divisors (see below), whose sum is σ = 60827680. Its totient is φ = 45620748.

The previous prime is 53224207. The next prime is 53224217. The reversal of 53224213 is 31242235.

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 53224213 - 2⁵ = 53224181 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 (53224217) 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, 3801723 + ... + 3801736.

It is an arithmetic number, because the mean of its divisors is an integer number (15206920).

Almost surely, 2^53224213 is an apocalyptic number.

It is an amenable number.

53224213 is a deficient number, since it is larger than the sum of its proper divisors (7603467).

53224213 is an equidigital number, since it uses as much as digits as its factorization.

53224213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7603466.

The product of its digits is 1440, while the sum is 22.

The square root of 53224213 is about 7295.4926495748. The cubic root of 53224213 is about 376.1575208598.

Adding to 53224213 its reverse (31242235), we get a palindrome (84466448).

The spelling of 53224213 in words is "fifty-three million, two hundred twenty-four thousand, two hundred thirteen".