53565269 has 4 divisors (see below), whose sum is σ = 53805696. Its totient is φ = 53324844.

The previous prime is 53565263. The next prime is 53565293. The reversal of 53565269 is 96256535.

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 53565269 - 2⁸ = 53565013 is a prime.

It is a super-2 number, since 2×53565269² = 5738476086084722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53565263) 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, 119879 + ... + 120324.

It is an arithmetic number, because the mean of its divisors is an integer number (13451424).

Almost surely, 2^53565269 is an apocalyptic number.

It is an amenable number.

53565269 is a deficient number, since it is larger than the sum of its proper divisors (240427).

53565269 is a wasteful number, since it uses less digits than its factorization.

53565269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240426.

The product of its digits is 243000, while the sum is 41.

The square root of 53565269 is about 7318.8297561837. The cubic root of 53565269 is about 376.9592720322.

It can be divided in two parts, 5356526 and 9, that added together give a palindrome (5356535).

The spelling of 53565269 in words is "fifty-three million, five hundred sixty-five thousand, two hundred sixty-nine".