56555285 has 8 divisors (see below), whose sum is σ = 67908480. Its totient is φ = 45216144.

The previous prime is 56555281. The next prime is 56555299. The reversal of 56555285 is 58255565.

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 56555285 - 2² = 56555281 is a prime.

It is a super-2 number, since 2×56555285² = 6397000522862450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56555281) by changing a digit.

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, 10256 + ... + 14774.

It is an arithmetic number, because the mean of its divisors is an integer number (8488560).

Almost surely, 2^56555285 is an apocalyptic number.

It is an amenable number.

56555285 is a deficient number, since it is larger than the sum of its proper divisors (11353195).

56555285 is a wasteful number, since it uses less digits than its factorization.

56555285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7027.

The product of its digits is 300000, while the sum is 41.

The square root of 56555285 is about 7520.3247935179. The cubic root of 56555285 is about 383.8466297421.

The spelling of 56555285 in words is "fifty-six million, five hundred fifty-five thousand, two hundred eighty-five".