53448449 has 2 divisors, whose sum is σ = 53448450. Its totient is φ = 53448448.

The previous prime is 53448443. The next prime is 53448467. The reversal of 53448449 is 94484435.

53448449 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., 39438400 + 14010049 = 6280^2 + 3743^2 .

It is a cyclic number.

It is not a de Polignac number, because 53448449 - 2¹² = 53444353 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (53448443) 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, 26724224 + 26724225.

It is an arithmetic number, because the mean of its divisors is an integer number (26724225).

Almost surely, 2^53448449 is an apocalyptic number.

It is an amenable number.

53448449 is a deficient number, since it is larger than the sum of its proper divisors (1).

53448449 is an equidigital number, since it uses as much as digits as its factorization.

53448449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 41.

The square root of 53448449 is about 7310.8446160481. The cubic root of 53448449 is about 376.6850369126.

The spelling of 53448449 in words is "fifty-three million, four hundred forty-eight thousand, four hundred forty-nine".