Alright, let's work through 56473814 times 11137545 step by step
56473814 × 11137545 = 11137545 × (56473814)
+ 11137545 × 4 that results in 44550180
+ 11137545 × 10 what gives us 111375450
+ 11137545 × 800 which equals 8910036000
+ 11137545 × 3000 that is equal 33412635000
+ 11137545 × 70000 resulting in 779628150000
+ 11137545 × 400000 resulting in 4455018000000
+ 11137545 × 6000000 that is equal 66825270000000
+ 11137545 × 50000000 that is equal 556877250000000

= 628979644746630
