105005500 has 24 divisors (see below), whose sum is σ = 229333104. Its totient is φ = 42002000.

The previous prime is 105005489. The next prime is 105005501. The reversal of 105005500 is 5500501.

It is a super-2 number, since 2×105005500² = 22052310060500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105005501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104506 + ... + 105505.

It is an arithmetic number, because the mean of its divisors is an integer number (9555546).

Almost surely, 2^105005500 is an apocalyptic number.

105005500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105005500 is an abundant number, since it is smaller than the sum of its proper divisors (124327604).

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

105005500 is a wasteful number, since it uses less digits than its factorization.

105005500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210030 (or 210018 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 16.

The square root of 105005500 is about 10247.2191349653. The cubic root of 105005500 is about 471.7776351313. Note that the first 3 decimals are identical.

The spelling of 105005500 in words is "one hundred five million, five thousand, five hundred".