55486242168 has 64 divisors (see below), whose sum is σ = 161905167360. Its totient is φ = 15515907456.

The previous prime is 55486242167. The next prime is 55486242193. The reversal of 55486242168 is 86124268455.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 55486242168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55486242167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3505671 + ... + 3521462.

It is an arithmetic number, because the mean of its divisors is an integer number (2529768240).

Almost surely, 2^55486242168 is an apocalyptic number.

It is an amenable number.

55486242168 is an abundant number, since it is smaller than the sum of its proper divisors (106418925192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55486242168 is a wasteful number, since it uses less digits than its factorization.

55486242168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7027196 (or 7027192 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 51.

The spelling of 55486242168 in words is "fifty-five billion, four hundred eighty-six million, two hundred forty-two thousand, one hundred sixty-eight".