56475857 has 4 divisors (see below), whose sum is σ = 56572656. Its totient is φ = 56379060.

The previous prime is 56475851. The next prime is 56475869. The reversal of 56475857 is 75857465.

56475857 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56475857 - 2¹² = 56471761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56475851) 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, 47519 + ... + 48692.

It is an arithmetic number, because the mean of its divisors is an integer number (14143164).

Almost surely, 2^56475857 is an apocalyptic number.

It is an amenable number.

56475857 is a deficient number, since it is larger than the sum of its proper divisors (96799).

56475857 is an equidigital number, since it uses as much as digits as its factorization.

56475857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96798.

The product of its digits is 1176000, while the sum is 47.

The square root of 56475857 is about 7515.0420491172. The cubic root of 56475857 is about 383.6668501742. Note that the first 3 decimals are identical.

The spelling of 56475857 in words is "fifty-six million, four hundred seventy-five thousand, eight hundred fifty-seven".