53565259 has 8 divisors (see below), whose sum is σ = 59393520. Its totient is φ = 47896800.

The previous prime is 53565257. The next prime is 53565263. The reversal of 53565259 is 95256535.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53565259 - 2¹ = 53565257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53565257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39244 + ... + 40585.

It is an arithmetic number, because the mean of its divisors is an integer number (7424190).

Almost surely, 2^53565259 is an apocalyptic number.

53565259 is a deficient number, since it is larger than the sum of its proper divisors (5828261).

53565259 is a wasteful number, since it uses less digits than its factorization.

53565259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79901.

The product of its digits is 202500, while the sum is 40.

The square root of 53565259 is about 7318.8290730143. The cubic root of 53565259 is about 376.9592485743.

It can be divided in two parts, 53565 and 259, that added together give a square (53824 = 232²).

The spelling of 53565259 in words is "fifty-three million, five hundred sixty-five thousand, two hundred fifty-nine".