53265689 has 4 divisors (see below), whose sum is σ = 54270756. Its totient is φ = 52260624.

The previous prime is 53265679. The next prime is 53265697. The reversal of 53265689 is 98656235.

It is a happy number.

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 34904464 + 18361225 = 5908^2 + 4285^2 .

It is a cyclic number.

It is not a de Polignac number, because 53265689 - 2⁴ = 53265673 is a prime.

It is a super-3 number, since 3×53265689³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53265649) 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, 502454 + ... + 502559.

It is an arithmetic number, because the mean of its divisors is an integer number (13567689).

Almost surely, 2^53265689 is an apocalyptic number.

It is an amenable number.

53265689 is a deficient number, since it is larger than the sum of its proper divisors (1005067).

53265689 is a wasteful number, since it uses less digits than its factorization.

53265689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005066.

The product of its digits is 388800, while the sum is 44.

The square root of 53265689 is about 7298.3346730607. The cubic root of 53265689 is about 376.2552048374.

The spelling of 53265689 in words is "fifty-three million, two hundred sixty-five thousand, six hundred eighty-nine".