5538 has 16 divisors (see below), whose sum is σ = 12096. Its totient is φ = 1680.

The previous prime is 5531. The next prime is 5557. The reversal of 5538 is 8355.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (5531) by changing a digit.

5538 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43 + ... + 113.

It is an arithmetic number, because the mean of its divisors is an integer number (756).

It is a practical number, because each smaller number is the sum of distinct divisors of 5538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6048).

5538 is an abundant number, since it is smaller than the sum of its proper divisors (6558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5538 is a wasteful number, since it uses less digits than its factorization.

5538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89.

The product of its digits is 600, while the sum is 21.

The square root of 5538 is about 74.4177398206. The cubic root of 5538 is about 17.6923009064.

It can be divided in two parts, 553 and 8, that added together give a triangular number (561 = T₃₃).

The spelling of 5538 in words is "five thousand, five hundred thirty-eight".