Alright, let's work through 55793271 times 80577588 step by step
55793271 × 80577588 = 80577588 × (55793271)
+ 80577588 × 1 what gives us 80577588
+ 80577588 × 70 that is equal 5640431160
+ 80577588 × 200 which equals 16115517600
+ 80577588 × 3000 producing 241732764000
+ 80577588 × 90000 what gives us 7251982920000
+ 80577588 × 700000 that is equal 56404311600000
+ 80577588 × 5000000 which equals 402887940000000
+ 80577588 × 50000000 yielding 4028879400000000

= 4495687203810348
