56554861586 has 16 divisors (see below), whose sum is σ = 85094415000. Its totient is φ = 28190093568.

The previous prime is 56554861511. The next prime is 56554861591. The reversal of 56554861586 is 68516845565.

56554861586 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 54936328225 + 1618533361 = 234385^2 + 40231^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5543306 + ... + 5553498.

Almost surely, 2^56554861586 is an apocalyptic number.

56554861586 is a deficient number, since it is larger than the sum of its proper divisors (28539553414).

56554861586 is a wasteful number, since it uses less digits than its factorization.

56554861586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18493.

The product of its digits is 34560000, while the sum is 59.

The spelling of 56554861586 in words is "fifty-six billion, five hundred fifty-four million, eight hundred sixty-one thousand, five hundred eighty-six".