10553999 has 8 divisors (see below), whose sum is σ = 10956000. Its totient is φ = 10154592.

The previous prime is 10553993. The next prime is 10554023. The reversal of 10553999 is 99935501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10553999 is a prime.

It is a super-2 number, since 2×10553999² = 222773789784002, 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 (10553993) 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, 12317 + ... + 13145.

It is an arithmetic number, because the mean of its divisors is an integer number (1369500).

Almost surely, 2^10553999 is an apocalyptic number.

10553999 is a deficient number, since it is larger than the sum of its proper divisors (402001).

10553999 is an equidigital number, since it uses as much as digits as its factorization.

10553999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297.

The product of its (nonzero) digits is 54675, while the sum is 41.

The square root of 10553999 is about 3248.6918905923. The cubic root of 10553999 is about 219.3506957325.

The spelling of 10553999 in words is "ten million, five hundred fifty-three thousand, nine hundred ninety-nine".