Alright, let's work through 55700505 times 81993497 step by step
55700505 × 81993497 = 81993497 × (55700505)
+ 81993497 × 5 that is equal 409967485
+ 81993497 × 00 what gives us 0
+ 81993497 × 500 that is equal 40996748500
+ 81993497 × 0000 what gives us 0
+ 81993497 × 00000 resulting in 0
+ 81993497 × 700000 what gives us 57395447900000
+ 81993497 × 5000000 resulting in 409967485000000
+ 81993497 × 50000000 producing 4099674850000000

= 4567079189615985
