56273449 has 2 divisors, whose sum is σ = 56273450. Its totient is φ = 56273448.

The previous prime is 56273423. The next prime is 56273453. The reversal of 56273449 is 94437265.

It is a happy number.

56273449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44983849 + 11289600 = 6707^2 + 3360^2 .

It is a cyclic number.

It is not a de Polignac number, because 56273449 - 2²³ = 47884841 is a prime.

It is not a weakly prime, because it can be changed into another prime (56223449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28136724 + 28136725.

It is an arithmetic number, because the mean of its divisors is an integer number (28136725).

Almost surely, 2^56273449 is an apocalyptic number.

It is an amenable number.

56273449 is a deficient number, since it is larger than the sum of its proper divisors (1).

56273449 is an equidigital number, since it uses as much as digits as its factorization.

56273449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The square root of 56273449 is about 7501.5631037804. The cubic root of 56273449 is about 383.2079508442.

The spelling of 56273449 in words is "fifty-six million, two hundred seventy-three thousand, four hundred forty-nine".