I get
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Problem: nothing provides libicuuc.so.53.1()(64bit) needed by libreoffice-5.1.3.2-6.4.x86_64 Solution 1: do not install libreoffice-5.1.3.2-6.4.x86_64 Solution 2: break libreoffice-5.1.3.2-6.4.x86_64 by ignoring some of its dependencies
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I've tried searching for libicuuc at https://software.opensuse.org/search and found nothing.
This is from http://download.opensuse.org/repositories/LibreOffice:/5.1/