Alright, let's work through 55800634 times 85532559 step by step
55800634 × 85532559 = 85532559 × (55800634)
+ 85532559 × 4 that results in 342130236
+ 85532559 × 30 producing 2565976770
+ 85532559 × 600 that results in 51319535400
+ 85532559 × 0000 that results in 0
+ 85532559 × 00000 producing 0
+ 85532559 × 800000 that is equal 68426047200000
+ 85532559 × 5000000 which equals 427662795000000
+ 85532559 × 50000000 what gives us 4276627950000000

= 4772771019842406
