555550005500 has 48 divisors (see below), whose sum is σ = 1386652822464. Its totient is φ = 190474286400.

The previous prime is 555550005499. The next prime is 555550005503. The reversal of 555550005500 is 5500055555.

It is a super-2 number, since 2×555550005500² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555550005503) 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 in 15 ways as a sum of consecutive naturals, for example, 79360787 + ... + 79367786.

It is an arithmetic number, because the mean of its divisors is an integer number (28888600468).

Almost surely, 2^555550005500 is an apocalyptic number.

555550005500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

555550005500 is an abundant number, since it is smaller than the sum of its proper divisors (831102816964).

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

555550005500 is a wasteful number, since it uses less digits than its factorization.

555550005500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158728599 (or 158728587 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 555550005500 in words is "five hundred fifty-five billion, five hundred fifty million, five thousand, five hundred".