Alright, let's work through 55691401 times 36122543 step by step
55691401 × 36122543 = 36122543 × (55691401)
+ 36122543 × 1 producing 36122543
+ 36122543 × 00 what gives us 0
+ 36122543 × 400 yielding 14449017200
+ 36122543 × 1000 which equals 36122543000
+ 36122543 × 90000 producing 3251028870000
+ 36122543 × 600000 yielding 21673525800000
+ 36122543 × 5000000 that equals 180612715000000
+ 36122543 × 50000000 giving us 1806127150000000

= 2011715027352743
