55558426653 has 24 divisors (see below), whose sum is σ = 82286140248. Its totient is φ = 36108588672.

The previous prime is 55558426643. The next prime is 55558426667. The reversal of 55558426653 is 35662485555.

55558426653 is a `hidden beast` number, since 5 + 5 + 5 + 584 + 2 + 6 + 6 + 53 = 666.

55558426653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16456528089 + 39101898564 = 128283^2 + 197742^2 .

It is not a de Polignac number, because 55558426653 - 2⁸ = 55558426397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55558426653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55558426613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296050 + ... + 445827.

It is an arithmetic number, because the mean of its divisors is an integer number (3428589177).

Almost surely, 2^55558426653 is an apocalyptic number.

55558426653 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

55558426653 is a deficient number, since it is larger than the sum of its proper divisors (26727713595).

55558426653 is a wasteful number, since it uses less digits than its factorization.

55558426653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742093 (or 742090 counting only the distinct ones).

The product of its digits is 21600000, while the sum is 54.

The spelling of 55558426653 in words is "fifty-five billion, five hundred fifty-eight million, four hundred twenty-six thousand, six hundred fifty-three".