56227489 has 2 divisors, whose sum is σ = 56227490. Its totient is φ = 56227488.

The previous prime is 56227481. The next prime is 56227499. The reversal of 56227489 is 98472265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55726225 + 501264 = 7465^2 + 708^2 .

It is a cyclic number.

It is not a de Polignac number, because 56227489 - 2³ = 56227481 is a prime.

It is not a weakly prime, because it can be changed into another prime (56227481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28113744 + 28113745.

It is an arithmetic number, because the mean of its divisors is an integer number (28113745).

Almost surely, 2^56227489 is an apocalyptic number.

It is an amenable number.

56227489 is a deficient number, since it is larger than the sum of its proper divisors (1).

56227489 is an equidigital number, since it uses as much as digits as its factorization.

56227489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 56227489 is about 7498.4991164899. The cubic root of 56227489 is about 383.1035971055.

The spelling of 56227489 in words is "fifty-six million, two hundred twenty-seven thousand, four hundred eighty-nine".