56000555 has 8 divisors (see below), whose sum is σ = 72370032. Its totient is φ = 41354208.

The previous prime is 56000519. The next prime is 56000587. The reversal of 56000555 is 55500065.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56000555 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430709 + ... + 430838.

It is an arithmetic number, because the mean of its divisors is an integer number (9046254).

Almost surely, 2^56000555 is an apocalyptic number.

56000555 is a deficient number, since it is larger than the sum of its proper divisors (16369477).

56000555 is a wasteful number, since it uses less digits than its factorization.

56000555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861565.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 56000555 is about 7483.3518559533. The cubic root of 56000555 is about 382.5875004513.

The spelling of 56000555 in words is "fifty-six million, five hundred fifty-five", and thus it is an aban number.