Alright, let's work through 55889384 times 8687021 step by step
55889384 × 8687021 = 8687021 × (55889384)
+ 8687021 × 4 yielding 34748084
+ 8687021 × 80 yielding 694961680
+ 8687021 × 300 resulting in 2606106300
+ 8687021 × 9000 that results in 78183189000
+ 8687021 × 80000 giving us 694961680000
+ 8687021 × 800000 that equals 6949616800000
+ 8687021 × 5000000 producing 43435105000000
+ 8687021 × 50000000 which equals 434351050000000

= 485512252485064
