56520265 has 4 divisors (see below), whose sum is σ = 67824324. Its totient is φ = 45216208.

The previous prime is 56520253. The next prime is 56520293. The reversal of 56520265 is 56202565.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42889401 + 13630864 = 6549^2 + 3692^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56520265 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5652022 + ... + 5652031.

It is an arithmetic number, because the mean of its divisors is an integer number (16956081).

Almost surely, 2^56520265 is an apocalyptic number.

It is an amenable number.

56520265 is a deficient number, since it is larger than the sum of its proper divisors (11304059).

56520265 is a wasteful number, since it uses less digits than its factorization.

56520265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11304058.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 56520265 is about 7517.9960760830. The cubic root of 56520265 is about 383.7673852501.

The spelling of 56520265 in words is "fifty-six million, five hundred twenty thousand, two hundred sixty-five".