5549545 has 4 divisors (see below), whose sum is σ = 6659460. Its totient is φ = 4439632.

The previous prime is 5549483. The next prime is 5549561. The reversal of 5549545 is 5459455.

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 779689 + 4769856 = 883^2 + 2184^2 .

It is a cyclic number.

It is not a de Polignac number, because 5549545 - 2¹³ = 5541353 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554950 + ... + 554959.

It is an arithmetic number, because the mean of its divisors is an integer number (1664865).

Almost surely, 2^5549545 is an apocalyptic number.

It is an amenable number.

5549545 is a deficient number, since it is larger than the sum of its proper divisors (1109915).

5549545 is a wasteful number, since it uses less digits than its factorization.

5549545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109914.

The product of its digits is 90000, while the sum is 37.

The square root of 5549545 is about 2355.7472275268. The cubic root of 5549545 is about 177.0458667987.

Subtracting from 5549545 its product of digits (90000), we obtain a palindrome (5459545).

The spelling of 5549545 in words is "five million, five hundred forty-nine thousand, five hundred forty-five".