Alright, let's work through 53528397 times 99459088 step by step
53528397 × 99459088 = 99459088 × (53528397)
+ 99459088 × 7 yielding 696213616
+ 99459088 × 90 what gives us 8951317920
+ 99459088 × 300 giving us 29837726400
+ 99459088 × 8000 giving us 795672704000
+ 99459088 × 20000 giving us 1989181760000
+ 99459088 × 500000 what gives us 49729544000000
+ 99459088 × 3000000 which equals 298377264000000
+ 99459088 × 50000000 giving us 4972954400000000

= 5323885547721936
