10505553 has 8 divisors (see below), whose sum is σ = 14349216. Its totient is φ = 6832800.

The previous prime is 10505531. The next prime is 10505563. The reversal of 10505553 is 35550501.

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

It is not a de Polignac number, because 10505553 - 2¹⁴ = 10489169 is a prime.

It is a super-2 number, since 2×10505553² = 220733287671618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10505563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42583 + ... + 42828.

It is an arithmetic number, because the mean of its divisors is an integer number (1793652).

Almost surely, 2^10505553 is an apocalyptic number.

It is an amenable number.

10505553 is a deficient number, since it is larger than the sum of its proper divisors (3843663).

10505553 is an equidigital number, since it uses as much as digits as its factorization.

10505553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85455.

The product of its (nonzero) digits is 1875, while the sum is 24.

The square root of 10505553 is about 3241.2270824489. The cubic root of 10505553 is about 219.0145525243.

The spelling of 10505553 in words is "ten million, five hundred five thousand, five hundred fifty-three".