Um, the perl -nle'' count as 11? If so:
42
(Lowercase dictionary.)
perl -lnE'unpack("%a*")-65-96*length||say'
45
(Lowercase dictionary.)
perl -lne'65+length()*96-unpack"%a*"or print'
50
perl -lne'65+length()*96-unpack"%a*",lc or print'
Note: I added the say version following Athanasius's example.
Dec 05: x-d the readmore tags. Once more as above, using Abigail's Horror:
#23456789_123456789_123456789_123456789_
perl -lnE'65+96*y///c-unpack"%a*"or say'
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