53115009 has 4 divisors (see below), whose sum is σ = 70820016. Its totient is φ = 35410004.

The previous prime is 53114989. The next prime is 53115031. The reversal of 53115009 is 90051135.

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 53115009 - 2⁵ = 53114977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53115009.

It is not an unprimeable number, because it can be changed into a prime (53115409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8852499 + ... + 8852504.

It is an arithmetic number, because the mean of its divisors is an integer number (17705004).

Almost surely, 2^53115009 is an apocalyptic number.

It is an amenable number.

53115009 is a deficient number, since it is larger than the sum of its proper divisors (17705007).

53115009 is a wasteful number, since it uses less digits than its factorization.

53115009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17705006.

The product of its (nonzero) digits is 675, while the sum is 24.

The square root of 53115009 is about 7288.0044593839. The cubic root of 53115009 is about 375.9000814362.

The spelling of 53115009 in words is "fifty-three million, one hundred fifteen thousand, nine".