Alright, let's work through 55737199 times 71056445 step by step
55737199 × 71056445 = 71056445 × (55737199)
+ 71056445 × 9 what gives us 639508005
+ 71056445 × 90 that results in 6395080050
+ 71056445 × 100 what gives us 7105644500
+ 71056445 × 7000 producing 497395115000
+ 71056445 × 30000 what gives us 2131693350000
+ 71056445 × 700000 giving us 49739511500000
+ 71056445 × 5000000 which equals 355282225000000
+ 71056445 × 50000000 that is equal 3552822250000000

= 3960487215197555
