No problem, we've got 5543 and 9891 to multiply
5543 × 9891 = 9891 × (5543)
+ 9891 × 3 that results in 29673
+ 9891 × 40 yielding 395640
+ 9891 × 500 giving us 4945500
+ 9891 × 5000 resulting in 49455000

= 54825813
