53565345 has 24 divisors (see below), whose sum is σ = 93090816. Its totient is φ = 28493088.

The previous prime is 53565331. The next prime is 53565353. The reversal of 53565345 is 54356535.

53565345 is a `hidden beast` number, since 53 + 565 + 3 + 45 = 666.

53565345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53565345 - 2⁴ = 53565329 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 18592 + ... + 21278.

It is an arithmetic number, because the mean of its divisors is an integer number (3878784).

Almost surely, 2^53565345 is an apocalyptic number.

It is an amenable number.

53565345 is a deficient number, since it is larger than the sum of its proper divisors (39525471).

53565345 is a wasteful number, since it uses less digits than its factorization.

53565345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3141 (or 3138 counting only the distinct ones).

The product of its digits is 135000, while the sum is 36.

The square root of 53565345 is about 7318.8349482687. The cubic root of 53565345 is about 376.9594503125.

It can be divided in two parts, 5356 and 5345, that added together give a palindrome (10701).

The spelling of 53565345 in words is "fifty-three million, five hundred sixty-five thousand, three hundred forty-five".