5506549 has 4 divisors (see below), whose sum is σ = 5696460. Its totient is φ = 5316640.

The previous prime is 5506513. The next prime is 5506559. The reversal of 5506549 is 9456055.

It is a happy number.

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 2582449 + 2924100 = 1607^2 + 1710^2 .

It is a cyclic number.

It is not a de Polignac number, because 5506549 - 2⁷ = 5506421 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5506559) 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 in 3 ways as a sum of consecutive naturals, for example, 94912 + ... + 94969.

It is an arithmetic number, because the mean of its divisors is an integer number (1424115).

Almost surely, 2^5506549 is an apocalyptic number.

It is an amenable number.

5506549 is a deficient number, since it is larger than the sum of its proper divisors (189911).

5506549 is a wasteful number, since it uses less digits than its factorization.

5506549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189910.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 5506549 is about 2346.6037160117. The cubic root of 5506549 is about 176.5874503441.

The spelling of 5506549 in words is "five million, five hundred six thousand, five hundred forty-nine".