56526665 has 16 divisors (see below), whose sum is σ = 74608128. Its totient is φ = 40852416.

The previous prime is 56526643. The next prime is 56526667. The reversal of 56526665 is 56662565.

It is a cyclic number.

It is not a de Polignac number, because 56526665 - 2⁸ = 56526409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56526667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6197 + ... + 12306.

It is an arithmetic number, because the mean of its divisors is an integer number (4663008).

Almost surely, 2^56526665 is an apocalyptic number.

It is an amenable number.

56526665 is a deficient number, since it is larger than the sum of its proper divisors (18081463).

56526665 is a wasteful number, since it uses less digits than its factorization.

56526665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18568.

The product of its digits is 324000, while the sum is 41.

The square root of 56526665 is about 7518.4217093749. The cubic root of 56526665 is about 383.7818698399.

The spelling of 56526665 in words is "fifty-six million, five hundred twenty-six thousand, six hundred sixty-five".