WordPress update 5.5.3 to my site not recognized

I am having a very strange happening with the latest update to WordPress 5.5.3. I used the “update now” button and saw the screen that says the update was successful, but…
1. I still have the notification on my dashboard that the update is available
2. My WordFence notified me that 57 core WordPress files had been altered that are not compatible with my current version of WordPress 5.5.1 and it too is saying I need to upgrade to WordPress 5.5.3
3. My host dashboard is showing me I am still running WordPress 5.5.1 on my site

Note: My site was recently hacked and then cleaned by the folks at WordFence. Is it possible I still have some hacker residue that is causing this issue?

Thanks for any advice. I have not tried a manual install of WordPress update as this look beyond my meager capabilities

The page I need help with: [log in to see the link]

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