What is the Roman numeral representation of the number 54?

The Roman numeral representation of the number 54 is accurately denoted as LIV. To understand how this is derived, let's break down the components of Roman numerals.

In Roman numerals:

• The letter 'L' stands for 50.

• The letter 'V' stands for 5.

• The letter 'I' represents 1.

The numeral LIV combines these values as follows:

• Starting with 50 (L), we then subtract 1 (I) before the 5 (V). This subtraction indicates that we take one less than the 5, which results in 4 (5 - 1 = 4).

Adding these values together:

• 50 (L) + 4 (IV) = 54.

This demonstrates that the correct representation of 54 in Roman numerals is indeed LIV. Other representations, such as the options for 53 (LIII) or 55 (LV), do not accurately reflect the value of 54, while XLV represents 45, thereby confirming that LIV is the precise conversion needed for this question.