Alright, let's work through 55905320 times 8445991 step by step
55905320 × 8445991 = 8445991 × (55905320)
+ 8445991 × 0 giving us 0
+ 8445991 × 20 that equals 168919820
+ 8445991 × 300 producing 2533797300
+ 8445991 × 5000 that is equal 42229955000
+ 8445991 × 00000 yielding 0
+ 8445991 × 900000 producing 7601391900000
+ 8445991 × 5000000 that results in 42229955000000
+ 8445991 × 50000000 producing 422299550000000

= 472175829572120
