56255666 has 16 divisors (see below), whose sum is σ = 85493760. Its totient is φ = 27760320.

The previous prime is 56255627. The next prime is 56255671. The reversal of 56255666 is 66655265.

56255666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 60755 + ... + 61673.

It is an arithmetic number, because the mean of its divisors is an integer number (5343360).

Almost surely, 2^56255666 is an apocalyptic number.

56255666 is a deficient number, since it is larger than the sum of its proper divisors (29238094).

56255666 is a wasteful number, since it uses less digits than its factorization.

56255666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289.

The product of its digits is 324000, while the sum is 41.

The square root of 56255666 is about 7500.3777238216. The cubic root of 56255666 is about 383.1675806811.

The spelling of 56255666 in words is "fifty-six million, two hundred fifty-five thousand, six hundred sixty-six".