56113313 has 2 divisors, whose sum is σ = 56113314. Its totient is φ = 56113312.

The previous prime is 56113303. The next prime is 56113331. The reversal of 56113313 is 31331165.

It is a happy number.

Together with next prime (56113331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37173409 + 18939904 = 6097^2 + 4352^2 .

It is a cyclic number.

It is not a de Polignac number, because 56113313 - 2⁶ = 56113249 is a prime.

It is not a weakly prime, because it can be changed into another prime (56113303) 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 as a sum of consecutive naturals, namely, 28056656 + 28056657.

It is an arithmetic number, because the mean of its divisors is an integer number (28056657).

Almost surely, 2^56113313 is an apocalyptic number.

It is an amenable number.

56113313 is a deficient number, since it is larger than the sum of its proper divisors (1).

56113313 is an equidigital number, since it uses as much as digits as its factorization.

56113313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 810, while the sum is 23.

The square root of 56113313 is about 7490.8819907939. The cubic root of 56113313 is about 382.8441102860.

Adding to 56113313 its reverse (31331165), we get a palindrome (87444478).

The spelling of 56113313 in words is "fifty-six million, one hundred thirteen thousand, three hundred thirteen".