10500055 has 4 divisors (see below), whose sum is σ = 12600072. Its totient is φ = 8400040.

The previous prime is 10500037. The next prime is 10500089. The reversal of 10500055 is 55000501.

10500055 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10500055 - 2⁵ = 10500023 is a prime.

It is a super-2 number, since 2×10500055² = 220502310006050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1050001 + ... + 1050010.

It is an arithmetic number, because the mean of its divisors is an integer number (3150018).

Almost surely, 2^10500055 is an apocalyptic number.

10500055 is a deficient number, since it is larger than the sum of its proper divisors (2100017).

10500055 is an equidigital number, since it uses as much as digits as its factorization.

10500055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100016.

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

The square root of 10500055 is about 3240.3788358771. The cubic root of 10500055 is about 218.9763393327.

Adding to 10500055 its reverse (55000501), we get a palindrome (65500556).

The spelling of 10500055 in words is "ten million, five hundred thousand, fifty-five".