52188365 has 4 divisors (see below), whose sum is σ = 62626044. Its totient is φ = 41750688.

The previous prime is 52188361. The next prime is 52188379. The reversal of 52188365 is 56388125.

52188365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39980329 + 12208036 = 6323^2 + 3494^2 .

It is a cyclic number.

It is not a de Polignac number, because 52188365 - 2² = 52188361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52188361) by changing a digit.

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, 5218832 + ... + 5218841.

It is an arithmetic number, because the mean of its divisors is an integer number (15656511).

Almost surely, 2^52188365 is an apocalyptic number.

It is an amenable number.

52188365 is a deficient number, since it is larger than the sum of its proper divisors (10437679).

52188365 is a wasteful number, since it uses less digits than its factorization.

52188365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10437678.

The product of its digits is 57600, while the sum is 38.

The square root of 52188365 is about 7224.1515072706. The cubic root of 52188365 is about 373.7012613410.

The spelling of 52188365 in words is "fifty-two million, one hundred eighty-eight thousand, three hundred sixty-five".