A number representing the quantity of fifty.

पचास

English Usage: There were fifty-four participants in the event.

Hindi Usage: कार्यक्रम में पचास-चार प्रतिभागी थे।

The number four as part of a composite number.

चार

English Usage: She bought fifty-four apples from the market.

Hindi Usage: उसने बाजार से पचास-चार सेब खरीदे।

Describing the quantity of fifty-four.

पचास-चार

English Usage: The total cost was fifty-four dollars.

Hindi Usage: कुल लागत पचास-चार डॉलर थी।