54 in Roman numerals

54 in Roman numerals is LIV.

Pick any whole number from 1 to 3,999.

54 = \text{LIV}

How to work it out

1
Take the biggest Roman value that fits, write its letter, subtract it, and repeat.
2
Here: 50 (L) + 4 (IV) = 54.
3
Joined together: LIV. (Four of the same letter in a row is never used: 4 is IV, 9 is IX, 40 is XL, 90 is XC, 400 is CD, 900 is CM.)

Value	Letters
50	L
4	IV

What is 54 in Roman numerals?

LIV.

How do you read LIV?

LIV = 50 + 4 = 54.