56225569 has 2 divisors, whose sum is σ = 56225570. Its totient is φ = 56225568.

The previous prime is 56225563. The next prime is 56225581. The reversal of 56225569 is 96552265.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51667344 + 4558225 = 7188^2 + 2135^2 .

It is a cyclic number.

It is not a de Polignac number, because 56225569 - 2⁷ = 56225441 is a prime.

It is a super-2 number, since 2×56225569² = 6322629218747522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56225563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28112784 + 28112785.

It is an arithmetic number, because the mean of its divisors is an integer number (28112785).

Almost surely, 2^56225569 is an apocalyptic number.

It is an amenable number.

56225569 is a deficient number, since it is larger than the sum of its proper divisors (1).

56225569 is an equidigital number, since it uses as much as digits as its factorization.

56225569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 40.

The square root of 56225569 is about 7498.3710897768. The cubic root of 56225569 is about 383.0992364431.

It can be divided in two parts, 56 and 225569, that added together give a square (225625 = 475²).

The spelling of 56225569 in words is "fifty-six million, two hundred twenty-five thousand, five hundred sixty-nine".