16550353 has 4 divisors (see below), whose sum is σ = 16570480. Its totient is φ = 16530228.

The previous prime is 16550323. The next prime is 16550357. The reversal of 16550353 is 35305561.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16550353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16550357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8775 + ... + 10492.

It is an arithmetic number, because the mean of its divisors is an integer number (4142620).

Almost surely, 2^16550353 is an apocalyptic number.

It is an amenable number.

16550353 is a deficient number, since it is larger than the sum of its proper divisors (20127).

16550353 is an equidigital number, since it uses as much as digits as its factorization.

16550353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20126.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 16550353 is about 4068.2125067405. The cubic root of 16550353 is about 254.8408747075.

The spelling of 16550353 in words is "sixteen million, five hundred fifty thousand, three hundred fifty-three".