52288717 has 8 divisors (see below), whose sum is σ = 56829080. Its totient is φ = 47822400.

The previous prime is 52288697. The next prime is 52288721. The reversal of 52288717 is 71788225.

It can be written as a sum of positive squares in 4 ways, for example, as 30276 + 52258441 = 174^2 + 7229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52288717 - 2¹¹ = 52286669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52288717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52288727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17034 + ... + 19867.

It is an arithmetic number, because the mean of its divisors is an integer number (7103635).

Almost surely, 2^52288717 is an apocalyptic number.

It is an amenable number.

52288717 is a deficient number, since it is larger than the sum of its proper divisors (4540363).

52288717 is a wasteful number, since it uses less digits than its factorization.

52288717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37023.

The product of its digits is 62720, while the sum is 40.

The square root of 52288717 is about 7231.0937623571. The cubic root of 52288717 is about 373.9406356252.

The spelling of 52288717 in words is "fifty-two million, two hundred eighty-eight thousand, seven hundred seventeen".