105005506 has 4 divisors (see below), whose sum is σ = 157508262. Its totient is φ = 52502752.

The previous prime is 105005503. The next prime is 105005543. The reversal of 105005506 is 605500501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 101183481 + 3822025 = 10059^2 + 1955^2 .

It is a super-2 number, since 2×105005506² = 22052312580632072, which contains 22 as substring.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26251375 + ... + 26251378.

Almost surely, 2^105005506 is an apocalyptic number.

105005506 is a deficient number, since it is larger than the sum of its proper divisors (52502756).

105005506 is an equidigital number, since it uses as much as digits as its factorization.

105005506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52502755.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 105005506 is about 10247.2194277277. The cubic root of 105005506 is about 471.7776441171. Note that the first 3 decimals are identical.

The spelling of 105005506 in words is "one hundred five million, five thousand, five hundred six".