56556886 has 8 divisors (see below), whose sum is σ = 86640480. Its totient is φ = 27676728.

The previous prime is 56556881. The next prime is 56556937. The reversal of 56556886 is 68865565.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56556881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300741 + ... + 300928.

It is an arithmetic number, because the mean of its divisors is an integer number (10830060).

Almost surely, 2^56556886 is an apocalyptic number.

56556886 is a deficient number, since it is larger than the sum of its proper divisors (30083594).

56556886 is a wasteful number, since it uses less digits than its factorization.

56556886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601718.

The product of its digits is 1728000, while the sum is 49.

The square root of 56556886 is about 7520.4312376352. The cubic root of 56556886 is about 383.8502517594.

The spelling of 56556886 in words is "fifty-six million, five hundred fifty-six thousand, eight hundred eighty-six".