554451449 has 2 divisors, whose sum is σ = 554451450. Its totient is φ = 554451448.

The previous prime is 554451431. The next prime is 554451451. The reversal of 554451449 is 944154455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 506565049 + 47886400 = 22507^2 + 6920^2 .

It is a cyclic number.

It is not a de Polignac number, because 554451449 - 2²⁸ = 286015993 is a prime.

Together with 554451451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (554451419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277225724 + 277225725.

It is an arithmetic number, because the mean of its divisors is an integer number (277225725).

Almost surely, 2^554451449 is an apocalyptic number.

It is an amenable number.

554451449 is a deficient number, since it is larger than the sum of its proper divisors (1).

554451449 is an equidigital number, since it uses as much as digits as its factorization.

554451449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288000, while the sum is 41.

The square root of 554451449 is about 23546.7927540037. The cubic root of 554451449 is about 821.5257380882.

The spelling of 554451449 in words is "five hundred fifty-four million, four hundred fifty-one thousand, four hundred forty-nine".