55683838655 has 4 divisors (see below), whose sum is σ = 66820606392. Its totient is φ = 44547070920.

The previous prime is 55683838621. The next prime is 55683838663.

55683838655 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55683838655 - 2¹⁰ = 55683837631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5568383861 + ... + 5568383870.

It is an arithmetic number, because the mean of its divisors is an integer number (16705151598).

Almost surely, 2^55683838655 is an apocalyptic number.

55683838655 is a deficient number, since it is larger than the sum of its proper divisors (11136767737).

55683838655 is a wasteful number, since it uses less digits than its factorization.

55683838655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11136767736.

The product of its digits is 103680000, while the sum is 62.

The spelling of 55683838655 in words is "fifty-five billion, six hundred eighty-three million, eight hundred thirty-eight thousand, six hundred fifty-five".