56205556 has 24 divisors (see below), whose sum is σ = 107493120. Its totient is φ = 25502400.

The previous prime is 56205551. The next prime is 56205559. The reversal of 56205556 is 65550265.

It is a happy number.

56205556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56205551) 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, 42960 + ... + 44248.

It is an arithmetic number, because the mean of its divisors is an integer number (4478880).

Almost surely, 2^56205556 is an apocalyptic number.

It is an amenable number.

56205556 is a deficient number, since it is larger than the sum of its proper divisors (51287564).

56205556 is a wasteful number, since it uses less digits than its factorization.

56205556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295 (or 2293 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 56205556 is about 7497.0364811704. The cubic root of 56205556 is about 383.0537774405.

The spelling of 56205556 in words is "fifty-six million, two hundred five thousand, five hundred fifty-six".