52188689 has 4 divisors (see below), whose sum is σ = 59644224. Its totient is φ = 44733156.

The previous prime is 52188683. The next prime is 52188701. The reversal of 52188689 is 98688125.

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 52188689 - 2¹⁶ = 52123153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52188683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3727757 + ... + 3727770.

It is an arithmetic number, because the mean of its divisors is an integer number (14911056).

Almost surely, 2^52188689 is an apocalyptic number.

It is an amenable number.

52188689 is a deficient number, since it is larger than the sum of its proper divisors (7455535).

52188689 is an equidigital number, since it uses as much as digits as its factorization.

52188689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7455534.

The product of its digits is 276480, while the sum is 47.

The square root of 52188689 is about 7224.1739320146. The cubic root of 52188689 is about 373.7020346868.

The spelling of 52188689 in words is "fifty-two million, one hundred eighty-eight thousand, six hundred eighty-nine".