555500055555 has 48 divisors (see below), whose sum is σ = 989005633824. Its totient is φ = 288225838080.

The previous prime is 555500055553. The next prime is 555500055557. The reversal of 555500055555 is 555550005555.

It is an interprime number because it is at equal distance from previous prime (555500055553) and next prime (555500055557).

It is not a de Polignac number, because 555500055555 - 2¹ = 555500055553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 555500055555.

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 47 ways as a sum of consecutive naturals, for example, 21167352 + ... + 21193578.

It is an arithmetic number, because the mean of its divisors is an integer number (20604284038).

Almost surely, 2^555500055555 is an apocalyptic number.

555500055555 is a deficient number, since it is larger than the sum of its proper divisors (433505578269).

555500055555 is a wasteful number, since it uses less digits than its factorization.

555500055555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38996 (or 38993 counting only the distinct ones).

The product of its (nonzero) digits is 1953125, while the sum is 45.

The spelling of 555500055555 in words is "five hundred fifty-five billion, five hundred million, fifty-five thousand, five hundred fifty-five".