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553244449 is a prime number
BaseRepresentation
bin100000111110011…
…101011100100001
31102120000201201011
4200332131130201
52113112310244
6130521540521
716465333402
oct4076353441
91376021634
10553244449
1126432381a
12135344741
138a8081a4
14536959a9
1533884434
hex20f9d721

553244449 has 2 divisors, whose sum is σ = 553244450. Its totient is φ = 553244448.

The previous prime is 553244423. The next prime is 553244509. The reversal of 553244449 is 944442355.

It is a happy number.

553244449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 495863824 + 57380625 = 22268^2 + 7575^2 .

It is a cyclic number.

It is not a de Polignac number, because 553244449 - 211 = 553242401 is a prime.

It is not a weakly prime, because it can be changed into another prime (553244749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276622224 + 276622225.

It is an arithmetic number, because the mean of its divisors is an integer number (276622225).

Almost surely, 2553244449 is an apocalyptic number.

It is an amenable number.

553244449 is a deficient number, since it is larger than the sum of its proper divisors (1).

553244449 is an equidigital number, since it uses as much as digits as its factorization.

553244449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 40.

The square root of 553244449 is about 23521.1489727862. The cubic root of 553244449 is about 820.9291712938.

The spelling of 553244449 in words is "five hundred fifty-three million, two hundred forty-four thousand, four hundred forty-nine".