secs=88023
 
printf '%s%s%s%s\n' \
    "$( (( secs / 86400 )) && printf '%dd ' $(( secs / 86400 )) )" \
    "$( (( (secs % 86400) / 3600 )) && printf '%dh ' $(( (secs % 86400) / 3600 )) )" \
    "$( (( (secs % 3600) / 60 )) && printf '%dm ' $(( (secs % 3600) / 60 )) )" \
    "$( (( secs % 60 )) && printf '%ds' $(( secs % 60 )) )"