52657684 has 12 divisors (see below), whose sum is σ = 92202964. Its totient is φ = 26313984.

The previous prime is 52657669. The next prime is 52657691. The reversal of 52657684 is 48675625.

52657684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 25908100 + 26749584 = 5090^2 + 5172^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52657684.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9412 + ... + 13924.

Almost surely, 2^52657684 is an apocalyptic number.

It is an amenable number.

52657684 is a deficient number, since it is larger than the sum of its proper divisors (39545280).

52657684 is a wasteful number, since it uses less digits than its factorization.

52657684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7434 (or 7432 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 52657684 is about 7256.5614446513. The cubic root of 52657684 is about 374.8181257315.

The spelling of 52657684 in words is "fifty-two million, six hundred fifty-seven thousand, six hundred eighty-four".