10553503 has 4 divisors (see below), whose sum is σ = 10662400. Its totient is φ = 10444608.

The previous prime is 10553497. The next prime is 10553513. The reversal of 10553503 is 30535501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30535501 = 367 ⋅83203.

It is a cyclic number.

It is not a de Polignac number, because 10553503 - 2⁵ = 10553471 is a prime.

It is a super-2 number, since 2×10553503² = 222752851142018, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10553513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54303 + ... + 54496.

It is an arithmetic number, because the mean of its divisors is an integer number (2665600).

Almost surely, 2^10553503 is an apocalyptic number.

10553503 is a deficient number, since it is larger than the sum of its proper divisors (108897).

10553503 is an equidigital number, since it uses as much as digits as its factorization.

10553503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108896.

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 10553503 is about 3248.6155512772. The cubic root of 10553503 is about 219.3472594474.

The spelling of 10553503 in words is "ten million, five hundred fifty-three thousand, five hundred three".