554763449 has 4 divisors (see below), whose sum is σ = 554846436. Its totient is φ = 554680464.

The previous prime is 554763437. The next prime is 554763487. The reversal of 554763449 is 944367455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110397049 + 444366400 = 10507^2 + 21080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-554763449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (554703449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30494 + ... + 45159.

It is an arithmetic number, because the mean of its divisors is an integer number (138711609).

Almost surely, 2^554763449 is an apocalyptic number.

It is an amenable number.

554763449 is a deficient number, since it is larger than the sum of its proper divisors (82987).

554763449 is an equidigital number, since it uses as much as digits as its factorization.

554763449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82986.

The product of its digits is 1814400, while the sum is 47.

The square root of 554763449 is about 23553.4169283355. The cubic root of 554763449 is about 821.6798050601.

The spelling of 554763449 in words is "five hundred fifty-four million, seven hundred sixty-three thousand, four hundred forty-nine".