Alright, let's work through 55643139 times 90096571 step by step
55643139 × 90096571 = 90096571 × (55643139)
+ 90096571 × 9 yielding 810869139
+ 90096571 × 30 that is equal 2702897130
+ 90096571 × 100 what gives us 9009657100
+ 90096571 × 3000 yielding 270289713000
+ 90096571 × 40000 yielding 3603862840000
+ 90096571 × 600000 producing 54057942600000
+ 90096571 × 5000000 that results in 450482855000000
+ 90096571 × 50000000 what gives us 4504828550000000

= 5013256023576369
