56544565 has 32 divisors (see below), whose sum is σ = 85100544. Its totient is φ = 35039040.

The previous prime is 56544539. The next prime is 56544569.

56544565 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56544565 - 2⁹ = 56544053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56544569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87072 + ... + 87718.

It is an arithmetic number, because the mean of its divisors is an integer number (2659392).

Almost surely, 2^56544565 is an apocalyptic number.

56544565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56544565 is a deficient number, since it is larger than the sum of its proper divisors (28555979).

56544565 is a wasteful number, since it uses less digits than its factorization.

56544565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897.

The product of its digits is 360000, while the sum is 40.

The square root of 56544565 is about 7519.6120245662. The cubic root of 56544565 is about 383.8223756228.

The spelling of 56544565 in words is "fifty-six million, five hundred forty-four thousand, five hundred sixty-five".