diff --git a/django/contrib/auth/management/__init__.py b/django/contrib/auth/management/__init__.py
index dafcda243a3..8fd08ac57cf 100644
--- a/django/contrib/auth/management/__init__.py
+++ b/django/contrib/auth/management/__init__.py
@@ -101,10 +101,16 @@ def create_permissions(app, created_models, verbosity, db=DEFAULT_DB_ALIAS, **kw
     ]
     # Validate the permissions before bulk_creation to avoid cryptic
     # database error when the verbose_name is longer than 50 characters
+    permission_name_max_length = auth_app.Permission._meta.get_field('name').max_length
+    verbose_name_max_length = permission_name_max_length - 11  # len('Can change ') prefix
     for perm in perms:
-        if len(perm.name) > 50:
+        if len(perm.name) > permission_name_max_length:
             raise exceptions.ValidationError(
-                "The verbose_name of %s is longer than 39 characters" % perm.content_type)
+                "The verbose_name of %s is longer than %s characters" % (
+                    perm.content_type,
+                    verbose_name_max_length,
+                )
+            )
     auth_app.Permission.objects.using(db).bulk_create(perms)
     if verbosity >= 2:
         for perm in perms: