diff --git a/ext/intl/tests/bug53735.phpt b/ext/intl/tests/bug53735.phpt
new file mode 100644
index 00000000000..5fc14e978c3
--- /dev/null
+++ b/ext/intl/tests/bug53735.phpt
@@ -0,0 +1,32 @@
+--TEST--
+Bug #53735 NumberFormatter returns NaN when converting float point
+--SKIPIF--
+<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?>
+<?php if (version_compare(INTL_ICU_VERSION, '51.2') < 0) die('skip for ICU >= 51.2'); ?>
+--FILE--
+<?php
+
+$fmt = numfmt_create("da_DK", \NumberFormatter::CURRENCY);
+
+var_dump(numfmt_format($fmt, 5.5));
+setlocale(LC_ALL, "da_DK.UTF-8");
+
+var_dump(numfmt_format($fmt, 5.5));
+var_dump(numfmt_format($fmt, "5,5"));
+
+
+$fmt = new \NumberFormatter("de_DE", \NumberFormatter::DECIMAL);
+var_dump($fmt->format(23.25));
+
+$f = new NumberFormatter('hu_HU', NumberFormatter::PERCENT, '#,##0%');
+var_dump($f->format(0.26));
+
+?>
+==DONE==
+--EXPECTF--
+string(%d) "5,50 kr%A"
+string(%d) "5,50 kr%A"
+string(%d) "5,00 kr%A"
+string(5) "23,25"
+string(3) "26%"
+==DONE==