53016065 has 4 divisors (see below), whose sum is σ = 63619284. Its totient is φ = 42412848.

The previous prime is 53015999. The next prime is 53016083. The reversal of 53016065 is 56061035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28344976 + 24671089 = 5324^2 + 4967^2 .

It is a cyclic number.

It is not a de Polignac number, because 53016065 - 2¹⁰ = 53015041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 5301602 + ... + 5301611.

It is an arithmetic number, because the mean of its divisors is an integer number (15904821).

Almost surely, 2^53016065 is an apocalyptic number.

It is an amenable number.

53016065 is a deficient number, since it is larger than the sum of its proper divisors (10603219).

53016065 is a wasteful number, since it uses less digits than its factorization.

53016065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10603218.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 53016065 is about 7281.2131544132. The cubic root of 53016065 is about 375.6665242489. Note that the first 3 decimals are identical.

The spelling of 53016065 in words is "fifty-three million, sixteen thousand, sixty-five".