53565605 has 8 divisors (see below), whose sum is σ = 64347264. Its totient is φ = 42806800.

The previous prime is 53565599. The next prime is 53565637. The reversal of 53565605 is 50656535.

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

It is not a de Polignac number, because 53565605 - 2¹⁸ = 53303461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41 + ... + 10350.

It is an arithmetic number, because the mean of its divisors is an integer number (8043408).

Almost surely, 2^53565605 is an apocalyptic number.

It is an amenable number.

53565605 is a deficient number, since it is larger than the sum of its proper divisors (10781659).

53565605 is a wasteful number, since it uses less digits than its factorization.

53565605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11427.

The product of its (nonzero) digits is 67500, while the sum is 35.

The square root of 53565605 is about 7318.8527106371. The cubic root of 53565605 is about 376.9600602174.

The spelling of 53565605 in words is "fifty-three million, five hundred sixty-five thousand, six hundred five".