Added solution to problem 52.

problem52.py

+#!/usr/bin/python
+def digits(n):
+    return set(list(str(n)))
+
+x = 1
+
+while True:
+    found = True
+    d = digits(x)
+
+    for i in range(2, 7):
+        if digits(i * x) != d:
+            found = False
+
+    if found:
+        print x
+        break
+
+    x += 1