Getting listed on more exchanges is not contingent on hitting any block number.
The development team has made improvements, one that is highly anticipated is the difficulty adjustment algo to correct the high block times. This and other developments will be activated after block 63900. Check the release note for all the new developments
https://github.com/dubaicoin-dbix/dbixwall/releases.
Current block as at the time of writing is 63529, i have not been able to properly figure out how many days we are from block 63900 do you have idea of when block 63900 is likely to occur?