55689298655 has 4 divisors (see below), whose sum is σ = 66827158392. Its totient is φ = 44551438920.

The previous prime is 55689298633. The next prime is 55689298681.

55689298655 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 55689298655 - 2²² = 55685104351 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, 5568929861 + ... + 5568929870.

It is an arithmetic number, because the mean of its divisors is an integer number (16706789598).

Almost surely, 2^55689298655 is an apocalyptic number.

55689298655 is a deficient number, since it is larger than the sum of its proper divisors (11137859737).

55689298655 is a wasteful number, since it uses less digits than its factorization.

55689298655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11137859736.

The product of its digits is 233280000, while the sum is 68.

The spelling of 55689298655 in words is "fifty-five billion, six hundred eighty-nine million, two hundred ninety-eight thousand, six hundred fifty-five".