56886687 has 24 divisors (see below), whose sum is σ = 96537168. Its totient is φ = 31824000.

The previous prime is 56886673. The next prime is 56886689. The reversal of 56886687 is 78668865.

56886687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56886687 - 2⁷ = 56886559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56886689) 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 23 ways as a sum of consecutive naturals, for example, 20814 + ... + 23387.

It is an arithmetic number, because the mean of its divisors is an integer number (4022382).

Almost surely, 2^56886687 is an apocalyptic number.

56886687 is a deficient number, since it is larger than the sum of its proper divisors (39650481).

56886687 is a wasteful number, since it uses less digits than its factorization.

56886687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44231 (or 44228 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 56886687 is about 7542.3263652536. The cubic root of 56886687 is about 384.5949233618.

The spelling of 56886687 in words is "fifty-six million, eight hundred eighty-six thousand, six hundred eighty-seven".