56006109 has 12 divisors (see below), whose sum is σ = 85656636. Its totient is φ = 35140992.

The previous prime is 56006099. The next prime is 56006141. The reversal of 56006109 is 90160065.

It can be written as a sum of positive squares in 2 ways, for example, as 40678884 + 15327225 = 6378^2 + 3915^2 .

It is not a de Polignac number, because 56006109 - 2¹² = 56002013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56006189) 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, 182874 + ... + 183179.

It is an arithmetic number, because the mean of its divisors is an integer number (7138053).

Almost surely, 2^56006109 is an apocalyptic number.

It is an amenable number.

56006109 is a deficient number, since it is larger than the sum of its proper divisors (29650527).

56006109 is a wasteful number, since it uses less digits than its factorization.

56006109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366076 (or 366073 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 56006109 is about 7483.7229371483. The cubic root of 56006109 is about 382.6001480684.

The spelling of 56006109 in words is "fifty-six million, six thousand, one hundred nine".