56266089 has 12 divisors (see below), whose sum is σ = 82462128. Its totient is φ = 34100440.

The previous prime is 56266051. The next prime is 56266099. The reversal of 56266089 is 98066265.

It is not a de Polignac number, because 56266089 - 2⁹ = 56265577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56266089.

It is not an unprimeable number, because it can be changed into a prime (56266099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77139 + ... + 77864.

It is an arithmetic number, because the mean of its divisors is an integer number (6871844).

Almost surely, 2^56266089 is an apocalyptic number.

It is an amenable number.

56266089 is a deficient number, since it is larger than the sum of its proper divisors (26196039).

56266089 is a wasteful number, since it uses less digits than its factorization.

56266089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155028 (or 155017 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 56266089 is about 7501.0725233129. The cubic root of 56266089 is about 383.1912435365.

The spelling of 56266089 in words is "fifty-six million, two hundred sixty-six thousand, eighty-nine".