56038565 has 16 divisors (see below), whose sum is σ = 74566656. Its totient is φ = 40084800.

The previous prime is 56038559. The next prime is 56038601. The reversal of 56038565 is 56583065.

56038565 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 56038565 - 2¹² = 56034469 is a prime.

It is a Duffinian number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 4997 + ... + 11706.

It is an arithmetic number, because the mean of its divisors is an integer number (4660416).

Almost surely, 2^56038565 is an apocalyptic number.

56038565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56038565 is a deficient number, since it is larger than the sum of its proper divisors (18528091).

56038565 is a wasteful number, since it uses less digits than its factorization.

56038565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16780.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 56038565 is about 7485.8910625256. The cubic root of 56038565 is about 382.6740404388.

The spelling of 56038565 in words is "fifty-six million, thirty-eight thousand, five hundred sixty-five".