53383565 has 4 divisors (see below), whose sum is σ = 64060284. Its totient is φ = 42706848.

The previous prime is 53383543. The next prime is 53383567. The reversal of 53383565 is 56538335.

53383565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 18679684 + 34703881 = 4322^2 + 5891^2 .

It is a cyclic number.

It is not a de Polignac number, because 53383565 - 2⁶ = 53383501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53383567) 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 3 ways as a sum of consecutive naturals, for example, 5338352 + ... + 5338361.

It is an arithmetic number, because the mean of its divisors is an integer number (16015071).

Almost surely, 2^53383565 is an apocalyptic number.

It is an amenable number.

53383565 is a deficient number, since it is larger than the sum of its proper divisors (10676719).

53383565 is a wasteful number, since it uses less digits than its factorization.

53383565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10676718.

The product of its digits is 162000, while the sum is 38.

The square root of 53383565 is about 7306.4057511200. The cubic root of 53383565 is about 376.5325489915.

The spelling of 53383565 in words is "fifty-three million, three hundred eighty-three thousand, five hundred sixty-five".