Alright, let's work through 55187567 times 59900906 step by step
55187567 × 59900906 = 59900906 × (55187567)
+ 59900906 × 7 that is equal 419306342
+ 59900906 × 60 resulting in 3594054360
+ 59900906 × 500 resulting in 29950453000
+ 59900906 × 7000 that results in 419306342000
+ 59900906 × 80000 what gives us 4792072480000
+ 59900906 × 100000 yielding 5990090600000
+ 59900906 × 5000000 that results in 299504530000000
+ 59900906 × 50000000 resulting in 2995045300000000

= 3305785263235702
