64055449 has 2 divisors, whose sum is σ = 64055450. Its totient is φ = 64055448.

The previous prime is 64055447. The next prime is 64055477. The reversal of 64055449 is 94455046.

64055449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63920025 + 135424 = 7995^2 + 368^2 .

It is a cyclic number.

It is not a de Polignac number, because 64055449 - 2¹ = 64055447 is a prime.

Together with 64055447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (64055447) 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, 32027724 + 32027725.

It is an arithmetic number, because the mean of its divisors is an integer number (32027725).

Almost surely, 2^64055449 is an apocalyptic number.

It is an amenable number.

64055449 is a deficient number, since it is larger than the sum of its proper divisors (1).

64055449 is an equidigital number, since it uses as much as digits as its factorization.

64055449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 64055449 is about 8003.4648121923. The cubic root of 64055449 is about 400.1154854046.

The spelling of 64055449 in words is "sixty-four million, fifty-five thousand, four hundred forty-nine".