56269817 has 2 divisors, whose sum is σ = 56269818. Its totient is φ = 56269816.

The previous prime is 56269781. The next prime is 56269861. The reversal of 56269817 is 71896265.

Together with previous prime (56269781) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (56269861) can be obtained adding 56269817 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54007801 + 2262016 = 7349^2 + 1504^2 .

It is a cyclic number.

It is not a de Polignac number, because 56269817 - 2⁸ = 56269561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56269897) 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, 28134908 + 28134909.

It is an arithmetic number, because the mean of its divisors is an integer number (28134909).

Almost surely, 2^56269817 is an apocalyptic number.

It is an amenable number.

56269817 is a deficient number, since it is larger than the sum of its proper divisors (1).

56269817 is an equidigital number, since it uses as much as digits as its factorization.

56269817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 56269817 is about 7501.3210169943. The cubic root of 56269817 is about 383.1997063331.

The spelling of 56269817 in words is "fifty-six million, two hundred sixty-nine thousand, eight hundred seventeen".