Find out if your Linux distro is a 32bit or 64 bit

Type the following command Linux kernel and distro is running in 32bit or 64bit mode:

echo "You are using $(getconf LONG_BIT) bit Linux distro."

Outputs:

You are using 64 bit Linux distro.

OR try:
$ uname -m

Procedure to install Google Chrome 52 on a RHEL/CentOS/Fedora Linux:

Here is how to install and use the Google Chrome 45 in five easy steps:

1. Open the Terminal application. Grab 64bit Google Chrome.
2. Type the following command to download 64 bit version of Google Chrome:
   wget https://dl.google.com/linux/direct/google-chrome-stable_current_x86_64.rpm
3. Install Google Chrome and its dependencies on a CentOS/RHEL, type:
   sudo yum install ./google-chrome-stable_current_*.rpm
4. Start Google Chrome from the CLI:
   google-chrome &