Alright, let's work through 54415506 times 20086340 step by step
54415506 × 20086340 = 20086340 × (54415506)
+ 20086340 × 6 that is equal 120518040
+ 20086340 × 00 what gives us 0
+ 20086340 × 500 giving us 10043170000
+ 20086340 × 5000 producing 100431700000
+ 20086340 × 10000 yielding 200863400000
+ 20086340 × 400000 that results in 8034536000000
+ 20086340 × 4000000 what gives us 80345360000000
+ 20086340 × 50000000 that results in 1004317000000000

= 1093008354788040
