Alright, let's work through 55137643 times 53098642 step by step
55137643 × 53098642 = 53098642 × (55137643)
+ 53098642 × 3 that equals 159295926
+ 53098642 × 40 what gives us 2123945680
+ 53098642 × 600 which equals 31859185200
+ 53098642 × 7000 producing 371690494000
+ 53098642 × 30000 producing 1592959260000
+ 53098642 × 100000 what gives us 5309864200000
+ 53098642 × 5000000 what gives us 265493210000000
+ 53098642 × 50000000 yielding 2654932100000000

= 2927733966380806
