51 in English: how to spell and say fifty-one
fifty-one
/ˈfɪfti wʌn/
Short answer
51 is written fifty-one in English and pronounced /ˈfɪfti wʌn/. It is written with a hyphen. The ordinal form is 51st, written fifty-first. The number before it is 50 (fifty) and the number after it is 52 (fifty-two). 51 is an odd number. 51 is 5 tens and 1 ones. In Roman numerals it is LI.
Key facts
- In digits
- 51
- In words
- fifty-one
- Pronunciation
- /ˈfɪfti wʌn/
- Ordinal form
- 51st · fifty-first
- Number before
- 50 · fifty
- Number after
- 52 · fifty-two
- Odd or even
- odd
- Roman numeral
- LI
- Word list
- Numbers 1 to 100 in English: Words and Pronunciation
Numbers near 51
Practice on screen
Look at the picture or number and choose the right English word. Ten questions each round.
Free tools
Printables that go with this topic
Multiplication Worksheets Bundle
709 pagesUS Letter + A43rd grade & 4th gradeEnglish
See price and buy on EtsyChristmas Countdown Activity Mega Bundle
564 pagesUS Letter + A4Teens & adultsEnglish
See price and buy on Etsy
Questions and answers
How do you spell 51 in English?
51 is spelled fifty-one.
How do you pronounce fifty-one?
Fifty-one is pronounced /ˈfɪfti wʌn/. Press the listen button on this page to hear it.
What is 51 as an ordinal number?
51 as an ordinal number is 51st, written fifty-first.
What number comes after 51?
After 51 comes 52, written fifty-two.
Link to this page
Teachers and parents are welcome to link to this page. Copy the address or the ready-made link.


