55675687 has 4 divisors (see below), whose sum is σ = 55706176. Its totient is φ = 55645200.

The previous prime is 55675673. The next prime is 55675699. The reversal of 55675687 is 78657655.

55675687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78657655 = 5 ⋅15731531.

It is a cyclic number.

It is not a de Polignac number, because 55675687 - 2⁷ = 55675559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55675687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55675637) 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 3 ways as a sum of consecutive naturals, for example, 12318 + ... + 16219.

It is an arithmetic number, because the mean of its divisors is an integer number (13926544).

Almost surely, 2^55675687 is an apocalyptic number.

55675687 is a deficient number, since it is larger than the sum of its proper divisors (30489).

55675687 is a wasteful number, since it uses less digits than its factorization.

55675687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30488.

The product of its digits is 1764000, while the sum is 49.

The square root of 55675687 is about 7461.6142355391. The cubic root of 55675687 is about 381.8462485329.

The spelling of 55675687 in words is "fifty-five million, six hundred seventy-five thousand, six hundred eighty-seven".