No problem, we've got 55512483 and 99591530 to multiply
55512483 × 99591530 = 99591530 × (55512483)
+ 99591530 × 3 producing 298774590
+ 99591530 × 80 producing 7967322400
+ 99591530 × 400 yielding 39836612000
+ 99591530 × 2000 what gives us 199183060000
+ 99591530 × 10000 that equals 995915300000
+ 99591530 × 500000 that is equal 49795765000000
+ 99591530 × 5000000 that is equal 497957650000000
+ 99591530 × 50000000 resulting in 4979576500000000

= 5528573116068990
