56565747 has 36 divisors (see below), whose sum is σ = 98345520. Its totient is φ = 31201632.

The previous prime is 56565713. The next prime is 56565811. The reversal of 56565747 is 74756565.

It is not a de Polignac number, because 56565747 - 2¹¹ = 56563699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56565347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10578 + ... + 15000.

It is an arithmetic number, because the mean of its divisors is an integer number (2731820).

Almost surely, 2^56565747 is an apocalyptic number.

56565747 is a deficient number, since it is larger than the sum of its proper divisors (41779773).

56565747 is a wasteful number, since it uses less digits than its factorization.

56565747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472 (or 4462 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The square root of 56565747 is about 7521.0203430120. The cubic root of 56565747 is about 383.8702971786.

The spelling of 56565747 in words is "fifty-six million, five hundred sixty-five thousand, seven hundred forty-seven".