555055500 has 192 divisors, whose sum is σ = 1695028608. Its totient is φ = 141004800.

The previous prime is 555055483. The next prime is 555055519. The reversal of 555055500 is 5550555.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4051432 + ... + 4051568.

It is an arithmetic number, because the mean of its divisors is an integer number (8828274).

Almost surely, 2^555055500 is an apocalyptic number.

555055500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555055500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (847514304).

555055500 is an abundant number, since it is smaller than the sum of its proper divisors (1139973108).

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

555055500 is a wasteful number, since it uses less digits than its factorization.

555055500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 30.

The square root of 555055500 is about 23559.6158712319. The cubic root of 555055500 is about 821.8239687939.

555055500 divided by its reverse (5550555) gives a square (100 = 10²).

It can be divided in two parts, 555055 and 500, that added together give a palindrome (555555).

The spelling of 555055500 in words is "five hundred fifty-five million, fifty-five thousand, five hundred".