56109085 has 8 divisors (see below), whose sum is σ = 67373496. Its totient is φ = 44858880.

The previous prime is 56109077. The next prime is 56109091. The reversal of 56109085 is 58090165.

It can be written as a sum of positive squares in 4 ways, for example, as 4571044 + 51538041 = 2138^2 + 7179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56109085 - 2³ = 56109077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56109085.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9525 + ... + 14245.

It is an arithmetic number, because the mean of its divisors is an integer number (8421687).

Almost surely, 2^56109085 is an apocalyptic number.

It is an amenable number.

56109085 is a deficient number, since it is larger than the sum of its proper divisors (11264411).

56109085 is a wasteful number, since it uses less digits than its factorization.

56109085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7103.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 56109085 is about 7490.5997757189. The cubic root of 56109085 is about 382.8344945908.

The spelling of 56109085 in words is "fifty-six million, one hundred nine thousand, eighty-five".