52664403 has 24 divisors (see below), whose sum is σ = 78523200. Its totient is φ = 31364080.

The previous prime is 52664401. The next prime is 52664461. The reversal of 52664403 is 30446625.

It is not a de Polignac number, because 52664403 - 2¹ = 52664401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52664401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20188 + ... + 22646.

It is an arithmetic number, because the mean of its divisors is an integer number (3271800).

Almost surely, 2^52664403 is an apocalyptic number.

52664403 is a deficient number, since it is larger than the sum of its proper divisors (25858797).

52664403 is a wasteful number, since it uses less digits than its factorization.

52664403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543 (or 2532 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 52664403 is about 7257.0243902029. The cubic root of 52664403 is about 374.8340670319.

It can be divided in two parts, 5266 and 4403, that added together give a palindrome (9669).

The spelling of 52664403 in words is "fifty-two million, six hundred sixty-four thousand, four hundred three".