10505500 has 24 divisors (see below), whose sum is σ = 22945104. Its totient is φ = 4202000.

The previous prime is 10505491. The next prime is 10505527. The reversal of 10505500 is 550501.

It is a super-2 number, since 2×10505500² = 220731060500000, 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, 10006 + ... + 11005.

It is an arithmetic number, because the mean of its divisors is an integer number (956046).

Almost surely, 2^10505500 is an apocalyptic number.

10505500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10505500 is an abundant number, since it is smaller than the sum of its proper divisors (12439604).

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

10505500 is a wasteful number, since it uses less digits than its factorization.

10505500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21030 (or 21018 counting only the distinct ones).

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

The square root of 10505500 is about 3241.2189065227. The cubic root of 10505500 is about 219.0141842178.

The spelling of 10505500 in words is "ten million, five hundred five thousand, five hundred".