56344213 has 2 divisors, whose sum is σ = 56344214. Its totient is φ = 56344212.

The previous prime is 56344159. The next prime is 56344231. The reversal of 56344213 is 31244365.

Together with next prime (56344231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28708164 + 27636049 = 5358^2 + 5257^2 .

It is a cyclic number.

It is not a de Polignac number, because 56344213 - 2⁹ = 56343701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56344243) 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 as a sum of consecutive naturals, namely, 28172106 + 28172107.

It is an arithmetic number, because the mean of its divisors is an integer number (28172107).

Almost surely, 2^56344213 is an apocalyptic number.

It is an amenable number.

56344213 is a deficient number, since it is larger than the sum of its proper divisors (1).

56344213 is an equidigital number, since it uses as much as digits as its factorization.

56344213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 28.

The square root of 56344213 is about 7506.2782389144. The cubic root of 56344213 is about 383.3685118734.

Adding to 56344213 its reverse (31244365), we get a palindrome (87588578).

The spelling of 56344213 in words is "fifty-six million, three hundred forty-four thousand, two hundred thirteen".