552

Number
$552$ (five hundred and fifty-two) is:
 * $2^3 \times 3 \times 23$


 * The $44$th untouchable number after $2$, $5$, $52$, $88$, $96$, $120$, $124$, $\ldots$, $406$, $408$, $426$, $430$, $448$, $472$, $474$, $498$, $516$, $518$, $520$, $530$, $540$