npm not found #4063

Angels-iMac-3:~ ty$ node -v
v5.1.0
Angels-iMac-3:~ ty$ npm -v
-bash: npm: command not found
Angels-iMac-3:~ ty$ cd /usr/local/bin/
Angels-iMac-3:bin ty$ ls
node    npm wstorm
Angels-iMac-3:bin ty$ ls -lah
total 44944
drwxr-xr-x  5 root  wheel   170B Nov 29 17:16 .
drwxr-xr-x  7 root  wheel   238B Nov 29 17:10 ..
-rwxrwxr-x  1 root  wheel    22M Nov 18 03:49 node
lrwxr-xr-x  1 502   staff    38B Nov 29 17:06 npm -> ../lib/node_modules/npm/bin/npm-cli.js
-rwxr-xr-x  1 root  wheel   2.8K Nov 29 16:40 wstorm
Angels-iMac-3:bin ty$ ./npm -v
-bash: ./npm: Permission denied
Angels-iMac-3:bin ty$ sudo ./npm -v
3.3.12
Angels-iMac-3:bin ty$