105505556 has 24 divisors (see below), whose sum is σ = 209304480. Its totient is φ = 46131552.

The previous prime is 105505549. The next prime is 105505627. The reversal of 105505556 is 655505501.

It is a super-2 number, since 2×105505556² = 22262844693738272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52406 + ... + 54381.

It is an arithmetic number, because the mean of its divisors is an integer number (8721020).

Almost surely, 2^105505556 is an apocalyptic number.

It is an amenable number.

105505556 is a deficient number, since it is larger than the sum of its proper divisors (103798924).

105505556 is a wasteful number, since it uses less digits than its factorization.

105505556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106823 (or 106821 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 32.

The square root of 105505556 is about 10271.5897503746. The cubic root of 105505556 is about 472.5253475013.

Subtracting 105505556 from its reverse (655505501), we obtain a palindrome (549999945).

The spelling of 105505556 in words is "one hundred five million, five hundred five thousand, five hundred fifty-six".