55676889 has 12 divisors (see below), whose sum is σ = 83401136. Its totient is φ = 37117764.

The previous prime is 55676869. The next prime is 55676891. The reversal of 55676889 is 98867655.

55676889 is a `hidden beast` number, since 556 + 7 + 6 + 8 + 89 = 666.

It is not a de Polignac number, because 55676889 - 2¹¹ = 55674841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55676809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114319 + ... + 114804.

Almost surely, 2^55676889 is an apocalyptic number.

It is an amenable number.

55676889 is a deficient number, since it is larger than the sum of its proper divisors (27724247).

55676889 is an equidigital number, since it uses as much as digits as its factorization.

55676889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229138 (or 229126 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The square root of 55676889 is about 7461.6947806782. The cubic root of 55676889 is about 381.8489964462.

It can be divided in two parts, 55676 and 889, that added together give a palindrome (56565).

The spelling of 55676889 in words is "fifty-five million, six hundred seventy-six thousand, eight hundred eighty-nine".