56244613 has 2 divisors, whose sum is σ = 56244614. Its totient is φ = 56244612.

The previous prime is 56244611. The next prime is 56244647. The reversal of 56244613 is 31644265.

56244613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52316289 + 3928324 = 7233^2 + 1982^2 .

It is a cyclic number.

It is not a de Polignac number, because 56244613 - 2¹ = 56244611 is a prime.

Together with 56244611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56244611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28122306 + 28122307.

It is an arithmetic number, because the mean of its divisors is an integer number (28122307).

Almost surely, 2^56244613 is an apocalyptic number.

It is an amenable number.

56244613 is a deficient number, since it is larger than the sum of its proper divisors (1).

56244613 is an equidigital number, since it uses as much as digits as its factorization.

56244613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 56244613 is about 7499.6408580678. The cubic root of 56244613 is about 383.1424843725.

Adding to 56244613 its reverse (31644265), we get a palindrome (87888878).

The spelling of 56244613 in words is "fifty-six million, two hundred forty-four thousand, six hundred thirteen".