555500055550 has 72 divisors (see below), whose sum is σ = 1146945012696. Its totient is φ = 199999800000.

The previous prime is 555500055533. The next prime is 555500055553. The reversal of 555500055550 is 55550005555.

555500055550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555500055553) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 156505 + ... + 1065595.

It is an arithmetic number, because the mean of its divisors is an integer number (15929791843).

Almost surely, 2^555500055550 is an apocalyptic number.

555500055550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

555500055550 is an abundant number, since it is smaller than the sum of its proper divisors (591444957146).

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

555500055550 is a wasteful number, since it uses less digits than its factorization.

555500055550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909226 (or 909210 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, 55550005 and 5550, that added together give a palindrome (55555555).

The spelling of 555500055550 in words is "five hundred fifty-five billion, five hundred million, fifty-five thousand, five hundred fifty".