56131105 has 4 divisors (see below), whose sum is σ = 67357332. Its totient is φ = 44904880.

The previous prime is 56131099. The next prime is 56131121. The reversal of 56131105 is 50113165.

56131105 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.

It can be written as a sum of positive squares in 2 ways, for example, as 44076321 + 12054784 = 6639^2 + 3472^2 .

It is not a de Polignac number, because 56131105 - 2¹⁵ = 56098337 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

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, 5613106 + ... + 5613115.

It is an arithmetic number, because the mean of its divisors is an integer number (16839333).

Almost surely, 2^56131105 is an apocalyptic number.

It is an amenable number.

56131105 is a deficient number, since it is larger than the sum of its proper divisors (11226227).

56131105 is a wasteful number, since it uses less digits than its factorization.

56131105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11226226.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 56131105 is about 7492.0694737836. The cubic root of 56131105 is about 382.8845691496.

The spelling of 56131105 in words is "fifty-six million, one hundred thirty-one thousand, one hundred five".