56255890 has 16 divisors (see below), whose sum is σ = 107217432. Its totient is φ = 21178624.

The previous prime is 56255879. The next prime is 56255891. The reversal of 56255890 is 9855265.

56255890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 50452609 + 5803281 = 7103^2 + 2409^2 .

It is not an unprimeable number, because it can be changed into a prime (56255891) 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 7 ways as a sum of consecutive naturals, for example, 165289 + ... + 165628.

Almost surely, 2^56255890 is an apocalyptic number.

56255890 is a deficient number, since it is larger than the sum of its proper divisors (50961542).

56255890 is a wasteful number, since it uses less digits than its factorization.

56255890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330941.

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 56255890 is about 7500.3926563881. The cubic root of 56255890 is about 383.1680892487.

The spelling of 56255890 in words is "fifty-six million, two hundred fifty-five thousand, eight hundred ninety".