I'll reply u about the 1000 & 50000
Really ur so mistaken to interrprate Quran while u have no sience just hateing the Quran is not enough to understand it
anyway for the 1000 & 50000
one of the scientific clearly known facts today is that the length of the day in the start of creation days was many times the length of the day in the current time
this because at the start of creation the earth speed was so many times its speed now (and as u may know the day length depends on earth speed)
and if u come back to some books u'll find that they specify the ratio between todays day length and incient day length to be in the range of 50
this is a mircle of Quran who tells us the truth
(so Quran mentioned this truth by specifying 1000 & 50000)
also another truth is mentioned in Quran u can get it from this truth abt earth speed
nowdays the science told us that the erarth will stop moving in the future and move back
look Quran told us that in the end days the sun will come from the west not the east as usual which means that the earth will move in the reverse direction