I've been having the same issue with the wallet. I installed the latest version, and its been stuck on block 51,009 .
That's weird. Being stuck around block 51000 looks like you've got the 0.53 wallet (with the old diff algo).
My 0.60 is normally synced...
I have that too with the newest wallet 0.60
I'm still normally synced here with the Windows wallet. Did you setup with the standalone posted by Invisibel on the website or is there any chance that you failed compiling properly the software ?
I was running the old wallet before uninstalling and updating to wallet.60. I even had a buddy of mine that is a tech wizard look and says the new client is running. For some reason its running 24 hours behind and is stuck on block 51,009.
When the price surged I was going to sell and then rebuy at these low prices. The wallet hasnt been working, so that dismantled that plan

Sorry to ear that...
Look I'm not that much a specialist of TiPS wallet as mine always properly work. But yours seems to be really dysfunctional, because it doesn't sync and because 24h ago we were on block 70000 or something like that.
So you have two remaining options here :
1) you uninstall the wallet, re-download the latest version of the standalone on the fedoraco.in website and reinstall (and pray)
2) you wait until tomorrow for Invisibel to be back, he'll sure be more able to help you than I am.
Good luck !