56355449 has 2 divisors, whose sum is σ = 56355450. Its totient is φ = 56355448.

The previous prime is 56355437. The next prime is 56355479. The reversal of 56355449 is 94455365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56355049 + 400 = 7507^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 56355449 - 2⁴ = 56355433 is a prime.

It is not a weakly prime, because it can be changed into another prime (56355479) 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, 28177724 + 28177725.

It is an arithmetic number, because the mean of its divisors is an integer number (28177725).

Almost surely, 2^56355449 is an apocalyptic number.

It is an amenable number.

56355449 is a deficient number, since it is larger than the sum of its proper divisors (1).

56355449 is an equidigital number, since it uses as much as digits as its factorization.

56355449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 41.

The square root of 56355449 is about 7507.0266417537. The cubic root of 56355449 is about 383.3939935930.

The spelling of 56355449 in words is "fifty-six million, three hundred fifty-five thousand, four hundred forty-nine".