52653689 has 4 divisors (see below), whose sum is σ = 57440400. Its totient is φ = 47866980.

The previous prime is 52653683. The next prime is 52653697. The reversal of 52653689 is 98635625.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52653689 - 2¹² = 52649593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52653683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2393339 + ... + 2393360.

It is an arithmetic number, because the mean of its divisors is an integer number (14360100).

Almost surely, 2^52653689 is an apocalyptic number.

It is an amenable number.

52653689 is a deficient number, since it is larger than the sum of its proper divisors (4786711).

52653689 is a wasteful number, since it uses less digits than its factorization.

52653689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786710.

The product of its digits is 388800, while the sum is 44.

The square root of 52653689 is about 7256.2861713138. The cubic root of 52653689 is about 374.8086466700.

It can be divided in two parts, 526536 and 89, that added together give a palindrome (526625).

The spelling of 52653689 in words is "fifty-two million, six hundred fifty-three thousand, six hundred eighty-nine".