53065 has 4 divisors (see below), whose sum is σ = 63684. Its totient is φ = 42448.

The previous prime is 53051. The next prime is 53069. The reversal of 53065 is 56035.

53065 is nontrivially palindromic in base 6.

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 41616 + 11449 = 204^2 + 107^2 .

It is a cyclic number.

It is not a de Polignac number, because 53065 - 2⁷ = 52937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5302 + ... + 5311.

It is an arithmetic number, because the mean of its divisors is an integer number (15921).

2⁵³⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

53065 is a deficient number, since it is larger than the sum of its proper divisors (10619).

53065 is a wasteful number, since it uses less digits than its factorization.

53065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10618.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 53065 is about 230.3584163863. The cubic root of 53065 is about 37.5782071541.

It can be divided in two parts, 530 and 65, that added together give a palindrome (595).

The spelling of 53065 in words is "fifty-three thousand, sixty-five".