Alright, let's work through 56649816 times 20431957 step by step
56649816 × 20431957 = 20431957 × (56649816)
+ 20431957 × 6 which equals 122591742
+ 20431957 × 10 what gives us 204319570
+ 20431957 × 800 which equals 16345565600
+ 20431957 × 9000 producing 183887613000
+ 20431957 × 40000 that results in 817278280000
+ 20431957 × 600000 that results in 12259174200000
+ 20431957 × 6000000 resulting in 122591742000000
+ 20431957 × 50000000 that equals 1021597850000000

= 1157466604569912
