5516449 has 4 divisors (see below), whose sum is σ = 5840964. Its totient is φ = 5191936.

The previous prime is 5516417. The next prime is 5516453. The reversal of 5516449 is 9446155.

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 4028049 + 1488400 = 2007^2 + 1220^2 .

It is not a de Polignac number, because 5516449 - 2⁵ = 5516417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5516149) 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, 162232 + ... + 162265.

It is an arithmetic number, because the mean of its divisors is an integer number (1460241).

Almost surely, 2^5516449 is an apocalyptic number.

It is an amenable number.

5516449 is a deficient number, since it is larger than the sum of its proper divisors (324515).

5516449 is a wasteful number, since it uses less digits than its factorization.

5516449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324514.

The product of its digits is 21600, while the sum is 34.

The square root of 5516449 is about 2348.7122003345. The cubic root of 5516449 is about 176.6932134468.

The spelling of 5516449 in words is "five million, five hundred sixteen thousand, four hundred forty-nine".