55055555500 has 48 divisors (see below), whose sum is σ = 131172376608. Its totient is φ = 20020200000.

The previous prime is 55055555473. The next prime is 55055555501. The reversal of 55055555500 is 555555055.

It is a super-2 number, since 2×55055555500² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55055555501) 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 15 ways as a sum of consecutive naturals, for example, 4999551 + ... + 5010550.

It is an arithmetic number, because the mean of its divisors is an integer number (2732757846).

Almost surely, 2^55055555500 is an apocalyptic number.

55055555500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55055555500 is an abundant number, since it is smaller than the sum of its proper divisors (76116821108).

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

55055555500 is a wasteful number, since it uses less digits than its factorization.

55055555500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010131 (or 10010119 counting only the distinct ones).

The product of its (nonzero) digits is 390625, while the sum is 40.

It can be divided in two parts, 5 and 5055555500, that added together give a palindrome (5055555505).

The spelling of 55055555500 in words is "fifty-five billion, fifty-five million, five hundred fifty-five thousand, five hundred".