55666313484 has 12 divisors (see below), whose sum is σ = 129888064824. Its totient is φ = 18555437824.

The previous prime is 55666313419. The next prime is 55666313489. The reversal of 55666313484 is 48431366655.

55666313484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (55666313489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2319429717 + ... + 2319429740.

It is an arithmetic number, because the mean of its divisors is an integer number (10824005402).

Almost surely, 2^55666313484 is an apocalyptic number.

It is an amenable number.

55666313484 is an abundant number, since it is smaller than the sum of its proper divisors (74221751340).

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

55666313484 is a wasteful number, since it uses less digits than its factorization.

55666313484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4638859464 (or 4638859462 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 51.

The spelling of 55666313484 in words is "fifty-five billion, six hundred sixty-six million, three hundred thirteen thousand, four hundred eighty-four".