554355449 has 2 divisors, whose sum is σ = 554355450. Its totient is φ = 554355448.

The previous prime is 554355443. The next prime is 554355479. The reversal of 554355449 is 944553455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455054224 + 99301225 = 21332^2 + 9965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-554355449 is a prime.

It is not a weakly prime, because it can be changed into another prime (554355443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277177724 + 277177725.

It is an arithmetic number, because the mean of its divisors is an integer number (277177725).

Almost surely, 2^554355449 is an apocalyptic number.

It is an amenable number.

554355449 is a deficient number, since it is larger than the sum of its proper divisors (1).

554355449 is an equidigital number, since it uses as much as digits as its factorization.

554355449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080000, while the sum is 44.

The square root of 554355449 is about 23544.7541715772. The cubic root of 554355449 is about 821.4783212385.

The spelling of 554355449 in words is "five hundred fifty-four million, three hundred fifty-five thousand, four hundred forty-nine".