10553986 has 8 divisors (see below), whose sum is σ = 15856524. Its totient is φ = 5268480.

The previous prime is 10553971. The next prime is 10553993. The reversal of 10553986 is 68935501.

It can be written as a sum of positive squares in 2 ways, for example, as 10272025 + 281961 = 3205^2 + 531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10553986² = 222773240976392, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2575 + ... + 5266.

Almost surely, 2^10553986 is an apocalyptic number.

10553986 is a deficient number, since it is larger than the sum of its proper divisors (5302538).

10553986 is an equidigital number, since it uses as much as digits as its factorization.

10553986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8516.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 10553986 is about 3248.6898897863. The cubic root of 10553986 is about 219.3506056700.

It can be divided in two parts, 105539 and 86, that added together give a square (105625 = 325²).

The spelling of 10553986 in words is "ten million, five hundred fifty-three thousand, nine hundred eighty-six".