555005550500 has 24 divisors (see below), whose sum is σ = 1212132123384. Its totient is φ = 222002220000.

The previous prime is 555005550479. The next prime is 555005550529. The reversal of 555005550500 is 5055500555.

It can be written as a sum of positive squares in 4 ways, for example, as 92309022976 + 462696527524 = 303824^2 + 680218^2 .

It is a super-2 number, since 2×555005550500² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555005051 + ... + 555006050.

It is an arithmetic number, because the mean of its divisors is an integer number (50505505141).

Almost surely, 2^555005550500 is an apocalyptic number.

555005550500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

555005550500 is an abundant number, since it is smaller than the sum of its proper divisors (657126572884).

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

555005550500 is a wasteful number, since it uses less digits than its factorization.

555005550500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110011120 (or 1110011108 counting only the distinct ones).

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

The spelling of 555005550500 in words is "five hundred fifty-five billion, five million, five hundred fifty thousand, five hundred".