53324213 has 4 divisors (see below), whose sum is σ = 53355168. Its totient is φ = 53293260.

The previous prime is 53324209. The next prime is 53324221. The reversal of 53324213 is 31242335.

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 53324213 - 2² = 53324209 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 (53324113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12731 + ... + 16392.

It is an arithmetic number, because the mean of its divisors is an integer number (13338792).

Almost surely, 2^53324213 is an apocalyptic number.

It is an amenable number.

53324213 is a deficient number, since it is larger than the sum of its proper divisors (30955).

53324213 is a wasteful number, since it uses less digits than its factorization.

53324213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30954.

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

The square root of 53324213 is about 7302.3429801674. The cubic root of 53324213 is about 376.3929539236.

Adding to 53324213 its reverse (31242335), we get a palindrome (84566548).

The spelling of 53324213 in words is "fifty-three million, three hundred twenty-four thousand, two hundred thirteen".