55555675558 has 4 divisors (see below), whose sum is σ = 83333513340. Its totient is φ = 27777837778.

The previous prime is 55555675543. The next prime is 55555675559. The reversal of 55555675558 is 85557655555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85557655555 = 5 ⋅17111531111.

It is a super-3 number, since 3×55555675558³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 55555675496 and 55555675505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55555675559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13888918888 + ... + 13888918891.

It is an arithmetic number, because the mean of its divisors is an integer number (20833378335).

Almost surely, 2^55555675558 is an apocalyptic number.

55555675558 is a deficient number, since it is larger than the sum of its proper divisors (27777837782).

55555675558 is a wasteful number, since it uses less digits than its factorization.

55555675558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27777837781.

The product of its digits is 131250000, while the sum is 61.

The spelling of 55555675558 in words is "fifty-five billion, five hundred fifty-five million, six hundred seventy-five thousand, five hundred fifty-eight".