56181427 has 4 divisors (see below), whose sum is σ = 57102496. Its totient is φ = 55260360.

The previous prime is 56181421. The next prime is 56181449. The reversal of 56181427 is 72418165.

56181427 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 56181427 - 2⁷ = 56181299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56181392 and 56181401.

It is not an unprimeable number, because it can be changed into a prime (56181421) 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, 460443 + ... + 460564.

It is an arithmetic number, because the mean of its divisors is an integer number (14275624).

Almost surely, 2^56181427 is an apocalyptic number.

56181427 is a deficient number, since it is larger than the sum of its proper divisors (921069).

56181427 is an equidigital number, since it uses as much as digits as its factorization.

56181427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921068.

The product of its digits is 13440, while the sum is 34.

The square root of 56181427 is about 7495.4270725556. The cubic root of 56181427 is about 382.9989547018.

The spelling of 56181427 in words is "fifty-six million, one hundred eighty-one thousand, four hundred twenty-seven".