53264565 has 24 divisors (see below), whose sum is σ = 93500160. Its totient is φ = 28046304.

The previous prime is 53264509. The next prime is 53264567. The reversal of 53264565 is 56546235.

It is a happy number.

53264565 is a `hidden beast` number, since 5 + 3 + 2 + 645 + 6 + 5 = 666.

It is not a de Polignac number, because 53264565 - 2⁶ = 53264501 is a prime.

It is a super-2 number, since 2×53264565² = 5674227769278450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53264567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3937 + ... + 11046.

It is an arithmetic number, because the mean of its divisors is an integer number (3895840).

Almost surely, 2^53264565 is an apocalyptic number.

It is an amenable number.

53264565 is a deficient number, since it is larger than the sum of its proper divisors (40235595).

53264565 is a wasteful number, since it uses less digits than its factorization.

53264565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15073 (or 15070 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 53264565 is about 7298.2576687864. The cubic root of 53264565 is about 376.2525582693.

The spelling of 53264565 in words is "fifty-three million, two hundred sixty-four thousand, five hundred sixty-five".