553224449 has 2 divisors, whose sum is σ = 553224450. Its totient is φ = 553224448.

The previous prime is 553224437. The next prime is 553224479. The reversal of 553224449 is 944422355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 445210000 + 108014449 = 21100^2 + 10393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553224449 is a prime.

It is not a weakly prime, because it can be changed into another prime (553224479) 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, 276612224 + 276612225.

It is an arithmetic number, because the mean of its divisors is an integer number (276612225).

Almost surely, 2^553224449 is an apocalyptic number.

It is an amenable number.

553224449 is a deficient number, since it is larger than the sum of its proper divisors (1).

553224449 is an equidigital number, since it uses as much as digits as its factorization.

553224449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 38.

The square root of 553224449 is about 23520.7238196447. The cubic root of 553224449 is about 820.9192788727.

The spelling of 553224449 in words is "five hundred fifty-three million, two hundred twenty-four thousand, four hundred forty-nine".