10550999 has 4 divisors (see below), whose sum is σ = 11171664. Its totient is φ = 9930336.

The previous prime is 10550993. The next prime is 10551001. The reversal of 10550999 is 99905501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99905501 = 1657 ⋅60293.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10550999 is a prime.

It is a super-2 number, since 2×10550999² = 222647159796002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10550993) 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, 310307 + ... + 310340.

It is an arithmetic number, because the mean of its divisors is an integer number (2792916).

Almost surely, 2^10550999 is an apocalyptic number.

10550999 is a deficient number, since it is larger than the sum of its proper divisors (620665).

10550999 is an equidigital number, since it uses as much as digits as its factorization.

10550999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620664.

The product of its (nonzero) digits is 18225, while the sum is 38.

The square root of 10550999 is about 3248.2301334727. The cubic root of 10550999 is about 219.3299101059.

The spelling of 10550999 in words is "ten million, five hundred fifty thousand, nine hundred ninety-nine".