noun
number of copies printed; print run
Used in publishing contexts to refer to the total number of copies printed for a particular edition or impression.
この本の刷数は少ないので、すぐに売り切れるかもしれません。
The print run of this book is small, so it might sell out quickly.
Compound of 刷 (satsu, 'printing') and 数 (sū, 'number'). The reading さつすう follows standard on'yomi.