52388617 has 2 divisors, whose sum is σ = 52388618. Its totient is φ = 52388616.

The previous prime is 52388593. The next prime is 52388621. The reversal of 52388617 is 71688325.

52388617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30261001 + 22127616 = 5501^2 + 4704^2 .

It is a cyclic number.

It is not a de Polignac number, because 52388617 - 2⁷ = 52388489 is a prime.

It is a super-3 number, since 3×52388617³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52388617.

It is not a weakly prime, because it can be changed into another prime (52388647) 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 as a sum of consecutive naturals, namely, 26194308 + 26194309.

It is an arithmetic number, because the mean of its divisors is an integer number (26194309).

Almost surely, 2^52388617 is an apocalyptic number.

It is an amenable number.

52388617 is a deficient number, since it is larger than the sum of its proper divisors (1).

52388617 is an equidigital number, since it uses as much as digits as its factorization.

52388617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 52388617 is about 7237.9981348436. The cubic root of 52388617 is about 374.1786277219.

The spelling of 52388617 in words is "fifty-two million, three hundred eighty-eight thousand, six hundred seventeen".