10553845 has 4 divisors (see below), whose sum is σ = 12664620. Its totient is φ = 8443072.

The previous prime is 10553839. The next prime is 10553863. The reversal of 10553845 is 54835501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1661521 + 8892324 = 1289^2 + 2982^2 .

It is a cyclic number.

It is not a de Polignac number, because 10553845 - 2⁵ = 10553813 is a prime.

It is a super-2 number, since 2×10553845² = 222767288568050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1055380 + ... + 1055389.

It is an arithmetic number, because the mean of its divisors is an integer number (3166155).

Almost surely, 2^10553845 is an apocalyptic number.

It is an amenable number.

10553845 is a deficient number, since it is larger than the sum of its proper divisors (2110775).

10553845 is an equidigital number, since it uses as much as digits as its factorization.

10553845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110774.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 10553845 is about 3248.6681886582. The cubic root of 10553845 is about 219.3496288329.

It can be divided in two parts, 1055 and 3845, that added together give a square (4900 = 70²).

The spelling of 10553845 in words is "ten million, five hundred fifty-three thousand, eight hundred forty-five".