555500505500 has 48 divisors (see below), whose sum is σ = 1214320240224. Its totient is φ = 221997430400.

The previous prime is 555500505499. The next prime is 555500505523. The reversal of 555500505500 is 5505005555.

It is a super-2 number, since 2×555500505500² (a number of 24 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 15 ways as a sum of consecutive naturals, for example, 42119 + ... + 1054881.

It is an arithmetic number, because the mean of its divisors is an integer number (25298338338).

Almost surely, 2^555500505500 is an apocalyptic number.

555500505500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

555500505500 is an abundant number, since it is smaller than the sum of its proper divisors (658819734724).

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

555500505500 is a wasteful number, since it uses less digits than its factorization.

555500505500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013879 (or 1013867 counting only the distinct ones).

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

The spelling of 555500505500 in words is "five hundred fifty-five billion, five hundred million, five hundred five thousand, five hundred".