5555005005500 has 72 divisors (see below), whose sum is σ = 12804271565904. Its totient is φ = 2105054460000.

The previous prime is 5555005005493. The next prime is 5555005005521. The reversal of 5555005005500 is 55005005555.

It is a super-2 number, since 2×5555005005500² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15207326 + ... + 15568325.

It is an arithmetic number, because the mean of its divisors is an integer number (177837105082).

Almost surely, 2^{5555005005500} is an apocalyptic number.

5555005005500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5555005005500 is an abundant number, since it is smaller than the sum of its proper divisors (7249266560404).

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

5555005005500 is a wasteful number, since it uses less digits than its factorization.

5555005005500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30775708 (or 30775677 counting only the distinct ones).

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

Subtracting from 5555005005500 its reverse (55005005555), we obtain a palindrome (5499999999945).

The spelling of 5555005005500 in words is "five trillion, five hundred fifty-five billion, five million, five thousand, five hundred".