5538549 has 16 divisors (see below), whose sum is σ = 7888320. Its totient is φ = 3444480.

The previous prime is 5538541. The next prime is 5538551. The reversal of 5538549 is 9458355.

It is not a de Polignac number, because 5538549 - 2³ = 5538541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5538541) 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 15 ways as a sum of consecutive naturals, for example, 6267 + ... + 7095.

It is an arithmetic number, because the mean of its divisors is an integer number (493020).

Almost surely, 2^5538549 is an apocalyptic number.

It is an amenable number.

5538549 is a deficient number, since it is larger than the sum of its proper divisors (2349771).

5538549 is a wasteful number, since it uses less digits than its factorization.

5538549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980.

The product of its digits is 108000, while the sum is 39.

The square root of 5538549 is about 2353.4122035887. The cubic root of 5538549 is about 176.9288551891.

The spelling of 5538549 in words is "five million, five hundred thirty-eight thousand, five hundred forty-nine".