56264533813 has 2 divisors, whose sum is σ = 56264533814. Its totient is φ = 56264533812.

The previous prime is 56264533789. The next prime is 56264533859. The reversal of 56264533813 is 31833546265.

It is an a-pointer prime, because the next prime (56264533859) can be obtained adding 56264533813 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40323451249 + 15941082564 = 200807^2 + 126258^2 .

It is a cyclic number.

It is not a de Polignac number, because 56264533813 - 2⁹ = 56264533301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56264533873) 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, 28132266906 + 28132266907.

It is an arithmetic number, because the mean of its divisors is an integer number (28132266907).

Almost surely, 2^56264533813 is an apocalyptic number.

It is an amenable number.

56264533813 is a deficient number, since it is larger than the sum of its proper divisors (1).

56264533813 is an equidigital number, since it uses as much as digits as its factorization.

56264533813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 46.

The spelling of 56264533813 in words is "fifty-six billion, two hundred sixty-four million, five hundred thirty-three thousand, eight hundred thirteen".