55558426635 has 32 divisors (see below), whose sum is σ = 102176424000. Its totient is φ = 28609394688.

The previous prime is 55558426633. The next prime is 55558426643. The reversal of 55558426635 is 53662485555.

55558426635 is a `hidden beast` number, since 5 + 5 + 5 + 584 + 26 + 6 + 35 = 666.

It is not a de Polignac number, because 55558426635 - 2¹ = 55558426633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55558426633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7091670 + ... + 7099499.

It is an arithmetic number, because the mean of its divisors is an integer number (3193013250).

Almost surely, 2^55558426635 is an apocalyptic number.

55558426635 is a deficient number, since it is larger than the sum of its proper divisors (46617997365).

55558426635 is a wasteful number, since it uses less digits than its factorization.

55558426635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14191212 (or 14191206 counting only the distinct ones).

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

The spelling of 55558426635 in words is "fifty-five billion, five hundred fifty-eight million, four hundred twenty-six thousand, six hundred thirty-five".