54,748

Number
$54 \, 748$ (fifty-four thousand, seven hundred and forty-eight) is:


 * $2^2 \times 13 \, 687$


 * The $17$th pluperfect digital invariant after $1$, $2$, $3$, $4$, $5$, $6$, $7$, $8$, $9$, $153$, $370$, $371$, $407$, $1634$, $8208$, $9474$:
 * $5^5 + 4^5 + 7^5 + 4^5 + 8^5 = 3125 + 1024 + 16 \, 807 + 1024 + 32 \, 768 = 54 \, 748$