56475571 has 2 divisors, whose sum is σ = 56475572. Its totient is φ = 56475570.

The previous prime is 56475553. The next prime is 56475593. The reversal of 56475571 is 17557465.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56475571 - 2⁵ = 56475539 is a prime.

It is not a weakly prime, because it can be changed into another prime (56472571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28237785 + 28237786.

It is an arithmetic number, because the mean of its divisors is an integer number (28237786).

Almost surely, 2^56475571 is an apocalyptic number.

56475571 is a deficient number, since it is larger than the sum of its proper divisors (1).

56475571 is an equidigital number, since it uses as much as digits as its factorization.

56475571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147000, while the sum is 40.

The square root of 56475571 is about 7515.0230205902. The cubic root of 56475571 is about 383.6662025293. Note that the first 3 decimals are identical.

The spelling of 56475571 in words is "fifty-six million, four hundred seventy-five thousand, five hundred seventy-one".