56566285 has 16 divisors (see below), whose sum is σ = 69765696. Its totient is φ = 44005248.

The previous prime is 56566283. The next prime is 56566319. The reversal of 56566285 is 58266565.

56566285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56566285 - 2¹ = 56566283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56566283) 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, 65577 + ... + 66433.

It is an arithmetic number, because the mean of its divisors is an integer number (4360356).

Almost surely, 2^56566285 is an apocalyptic number.

It is an amenable number.

56566285 is a deficient number, since it is larger than the sum of its proper divisors (13199411).

56566285 is a wasteful number, since it uses less digits than its factorization.

56566285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212.

The product of its digits is 432000, while the sum is 43.

The square root of 56566285 is about 7521.0561093506. The cubic root of 56566285 is about 383.8715141787.

The spelling of 56566285 in words is "fifty-six million, five hundred sixty-six thousand, two hundred eighty-five".