53009689 has 8 divisors (see below), whose sum is σ = 56263680. Its totient is φ = 49770816.

The previous prime is 53009683. The next prime is 53009701. The reversal of 53009689 is 98690035.

53009689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53009689 - 2³ = 53009681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53009681) 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 7 ways as a sum of consecutive naturals, for example, 3912 + ... + 11014.

It is an arithmetic number, because the mean of its divisors is an integer number (7032960).

Almost surely, 2^53009689 is an apocalyptic number.

It is an amenable number.

53009689 is a deficient number, since it is larger than the sum of its proper divisors (3253991).

53009689 is a wasteful number, since it uses less digits than its factorization.

53009689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7559.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 53009689 is about 7280.7753021227. The cubic root of 53009689 is about 375.6514637461.

The spelling of 53009689 in words is "fifty-three million, nine thousand, six hundred eighty-nine".