56067009 has 4 divisors (see below), whose sum is σ = 74756016. Its totient is φ = 37378004.

The previous prime is 56067001. The next prime is 56067013. The reversal of 56067009 is 90076065.

56067009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56067009 - 2³ = 56067001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56067001) 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 3 ways as a sum of consecutive naturals, for example, 9344499 + ... + 9344504.

It is an arithmetic number, because the mean of its divisors is an integer number (18689004).

Almost surely, 2^56067009 is an apocalyptic number.

It is an amenable number.

56067009 is a deficient number, since it is larger than the sum of its proper divisors (18689007).

56067009 is a wasteful number, since it uses less digits than its factorization.

56067009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18689006.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 56067009 is about 7487.7906621379. The cubic root of 56067009 is about 382.7387752591.

The spelling of 56067009 in words is "fifty-six million, sixty-seven thousand, nine".