#### Answer

The number $58,473$ written in words is fifty eight thousand four hundred and seventy three.

#### Work Step by Step

The $5$ represents tens of thousands hence fifty thousand.
The $8$ represents thousands hence eight thousand.
The $4$ represents hundreds hence four hundred.
The $7$ represents tens hence seventy.
The $3$ represents ones hence three.
Hence the number $58,473$ written in words is fifty eight thousand four hundred and seventy three.