5573549 has 2 divisors, whose sum is σ = 5573550. Its totient is φ = 5573548.

The previous prime is 5573527. The next prime is 5573551. The reversal of 5573549 is 9453755.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5207524 + 366025 = 2282^2 + 605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5573549 is a prime.

It is a Sophie Germain prime.

Together with 5573551, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5573599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2786774 + 2786775.

It is an arithmetic number, because the mean of its divisors is an integer number (2786775).

Almost surely, 2^5573549 is an apocalyptic number.

It is an amenable number.

5573549 is a deficient number, since it is larger than the sum of its proper divisors (1).

5573549 is an equidigital number, since it uses as much as digits as its factorization.

5573549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94500, while the sum is 38.

The square root of 5573549 is about 2360.8365042925. The cubic root of 5573549 is about 177.3007643500.

The spelling of 5573549 in words is "five million, five hundred seventy-three thousand, five hundred forty-nine".