52616609 has 4 divisors (see below), whose sum is σ = 53357760. Its totient is φ = 51875460.

The previous prime is 52616591. The next prime is 52616621. The reversal of 52616609 is 90661625.

It is a happy number.

52616609 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 52616609 - 2¹² = 52612513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52616639) 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, 370469 + ... + 370610.

It is an arithmetic number, because the mean of its divisors is an integer number (13339440).

Almost surely, 2^52616609 is an apocalyptic number.

It is an amenable number.

52616609 is a deficient number, since it is larger than the sum of its proper divisors (741151).

52616609 is an equidigital number, since it uses as much as digits as its factorization.

52616609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741150.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 52616609 is about 7253.7306953043. The cubic root of 52616609 is about 374.7206429069.

The spelling of 52616609 in words is "fifty-two million, six hundred sixteen thousand, six hundred nine".