55558427013 has 16 divisors (see below), whose sum is σ = 84963904000. Its totient is φ = 35844145920.

The previous prime is 55558426997. The next prime is 55558427017. The reversal of 55558427013 is 31072485555.

55558427013 is a `hidden beast` number, since 5 + 55 + 584 + 2 + 7 + 0 + 13 = 666.

55558427013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55558427013 - 2⁴ = 55558426997 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 55558427013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55558427017) 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, 33188188 + ... + 33189861.

It is an arithmetic number, because the mean of its divisors is an integer number (5310244000).

Almost surely, 2^55558427013 is an apocalyptic number.

It is an amenable number.

55558427013 is a deficient number, since it is larger than the sum of its proper divisors (29405476987).

55558427013 is a wasteful number, since it uses less digits than its factorization.

55558427013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66378089 (or 66378083 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 45.

The spelling of 55558427013 in words is "fifty-five billion, five hundred fifty-eight million, four hundred twenty-seven thousand, thirteen".