53576565 has 16 divisors (see below), whose sum is σ = 97968768. Its totient is φ = 24492096.

The previous prime is 53576563. The next prime is 53576573. The reversal of 53576565 is 56567535.

It is a happy number.

53576565 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 53576565 - 2¹ = 53576563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53576563) 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 15 ways as a sum of consecutive naturals, for example, 255022 + ... + 255231.

It is an arithmetic number, because the mean of its divisors is an integer number (6123048).

Almost surely, 2^53576565 is an apocalyptic number.

It is an amenable number.

53576565 is a deficient number, since it is larger than the sum of its proper divisors (44392203).

53576565 is a wasteful number, since it uses less digits than its factorization.

53576565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510268.

The product of its digits is 472500, while the sum is 42.

The square root of 53576565 is about 7319.6014235749. The cubic root of 53576565 is about 376.9857682597.

The spelling of 53576565 in words is "fifty-three million, five hundred seventy-six thousand, five hundred sixty-five".