5547 has 6 divisors (see below), whose sum is σ = 7572. Its totient is φ = 3612.

The previous prime is 5531. The next prime is 5557. The reversal of 5547 is 7455.

It is not a de Polignac number, because 5547 - 2⁴ = 5531 is a prime.

It is a d-powerful number, because it can be written as 5 + 4² + 5⁵ + 7⁴ .

5547 is a lucky number.

It is a plaindrome in base 4, base 15 and base 16.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (5507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108 + ... + 150.

It is an arithmetic number, because the mean of its divisors is an integer number (1262).

2⁵⁵⁴⁷ is an apocalyptic number.

5547 is a deficient number, since it is larger than the sum of its proper divisors (2025).

5547 is an equidigital number, since it uses as much as digits as its factorization.

5547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 46 counting only the distinct ones).

The product of its digits is 700, while the sum is 21.

The square root of 5547 is about 74.4781847255. The cubic root of 5547 is about 17.7018798476.

It can be divided in two parts, 554 and 7, that added together give a triangular number (561 = T₃₃).

The spelling of 5547 in words is "five thousand, five hundred forty-seven".