Fifty-seven

The bibliography of his works in book-form includes fifty-seven titles.

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Sputnik was sent on the fourth of October, nineteen fifty-seven.

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Greenlandic is spoken by approximately fifty-seven thousand people.

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From the late nineteen thirties to the late nineteen forties, Bob Feller was called the best pitcher in major league baseball. He threw the ball harder than any other pitcher of his time. He was known for his fastball. People sought to measure its speed using different methods. It was measured at between one hundred fifty-seven and one hundred seventy-two kilometers an hour.

Source: tatoeba (12172379)