56556355 has 8 divisors (see below), whose sum is σ = 67925664. Its totient is φ = 45206400.

The previous prime is 56556347. The next prime is 56556361. The reversal of 56556355 is 55365565.

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

It is not a de Polignac number, because 56556355 - 2³ = 56556347 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2650 + ... + 10960.

It is an arithmetic number, because the mean of its divisors is an integer number (8490708).

Almost surely, 2^56556355 is an apocalyptic number.

56556355 is a deficient number, since it is larger than the sum of its proper divisors (11369309).

56556355 is a wasteful number, since it uses less digits than its factorization.

56556355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9677.

The product of its digits is 337500, while the sum is 40.

The square root of 56556355 is about 7520.3959337258. The cubic root of 56556355 is about 383.8490504608.

The spelling of 56556355 in words is "fifty-six million, five hundred fifty-six thousand, three hundred fifty-five".