56500555 has 8 divisors (see below), whose sum is σ = 70138800. Its totient is φ = 43641696.

The previous prime is 56500531. The next prime is 56500559. The reversal of 56500555 is 55500565.

56500555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56500555 - 2⁵ = 56500523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56500559) 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, 194685 + ... + 194974.

It is an arithmetic number, because the mean of its divisors is an integer number (8767350).

Almost surely, 2^56500555 is an apocalyptic number.

56500555 is a deficient number, since it is larger than the sum of its proper divisors (13638245).

56500555 is a wasteful number, since it uses less digits than its factorization.

56500555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389693.

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 56500555 is about 7516.6851071466. The cubic root of 56500555 is about 383.7227703697.

The spelling of 56500555 in words is "fifty-six million, five hundred thousand, five hundred fifty-five".