554979449 has 2 divisors, whose sum is σ = 554979450. Its totient is φ = 554979448.

The previous prime is 554979437. The next prime is 554979463. The reversal of 554979449 is 944979455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 393308224 + 161671225 = 19832^2 + 12715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-554979449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 554979394 and 554979403.

It is not a weakly prime, because it can be changed into another prime (554979479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277489724 + 277489725.

It is an arithmetic number, because the mean of its divisors is an integer number (277489725).

Almost surely, 2^554979449 is an apocalyptic number.

It is an amenable number.

554979449 is a deficient number, since it is larger than the sum of its proper divisors (1).

554979449 is an equidigital number, since it uses as much as digits as its factorization.

554979449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8164800, while the sum is 56.

The square root of 554979449 is about 23558.0018040580. The cubic root of 554979449 is about 821.7864329743.

It can be divided in two parts, 55497 and 9449, that added together give a palindrome (64946).

The spelling of 554979449 in words is "five hundred fifty-four million, nine hundred seventy-nine thousand, four hundred forty-nine".