552521549 has 2 divisors, whose sum is σ = 552521550. Its totient is φ = 552521548.

The previous prime is 552521483. The next prime is 552521569. The reversal of 552521549 is 945125255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 512705449 + 39816100 = 22643^2 + 6310^2 .

It is a cyclic number.

It is not a de Polignac number, because 552521549 - 2⁸ = 552521293 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552521569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276260774 + 276260775.

It is an arithmetic number, because the mean of its divisors is an integer number (276260775).

Almost surely, 2^552521549 is an apocalyptic number.

It is an amenable number.

552521549 is a deficient number, since it is larger than the sum of its proper divisors (1).

552521549 is an equidigital number, since it uses as much as digits as its factorization.

552521549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90000, while the sum is 38.

The square root of 552521549 is about 23505.7769282362. The cubic root of 552521549 is about 820.5714581919.

The spelling of 552521549 in words is "five hundred fifty-two million, five hundred twenty-one thousand, five hundred forty-nine".