56185879 has 4 divisors (see below), whose sum is σ = 56282184. Its totient is φ = 56089576.

The previous prime is 56185873. The next prime is 56185889. The reversal of 56185879 is 97858165.

56185879 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 is a cyclic number.

It is not a de Polignac number, because 56185879 - 2¹³ = 56177687 is a prime.

It is a Smith number, since the sum of its digits (49) 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56185873) 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, 47272 + ... + 48445.

It is an arithmetic number, because the mean of its divisors is an integer number (14070546).

Almost surely, 2^56185879 is an apocalyptic number.

56185879 is a deficient number, since it is larger than the sum of its proper divisors (96305).

56185879 is an equidigital number, since it uses as much as digits as its factorization.

56185879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96304.

The product of its digits is 604800, while the sum is 49.

The square root of 56185879 is about 7495.7240477488. The cubic root of 56185879 is about 383.0090711311.

The spelling of 56185879 in words is "fifty-six million, one hundred eighty-five thousand, eight hundred seventy-nine".