52628317 has 4 divisors (see below), whose sum is σ = 60146656. Its totient is φ = 45109980.

The previous prime is 52628287. The next prime is 52628321. The reversal of 52628317 is 71382625.

It is a happy number.

52628317 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, 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 52628317 - 2⁷ = 52628189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52628357) 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, 3759159 + ... + 3759172.

It is an arithmetic number, because the mean of its divisors is an integer number (15036664).

Almost surely, 2^52628317 is an apocalyptic number.

It is an amenable number.

52628317 is a deficient number, since it is larger than the sum of its proper divisors (7518339).

52628317 is an equidigital number, since it uses as much as digits as its factorization.

52628317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7518338.

The product of its digits is 20160, while the sum is 34.

The square root of 52628317 is about 7254.5376834089. The cubic root of 52628317 is about 374.7484345365.

The spelling of 52628317 in words is "fifty-two million, six hundred twenty-eight thousand, three hundred seventeen".