16552235 has 8 divisors (see below), whose sum is σ = 22700256. Its totient is φ = 11350080.

The previous prime is 16552231. The next prime is 16552241. The reversal of 16552235 is 53225561.

It is a happy number.

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

It is not a de Polignac number, because 16552235 - 2² = 16552231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16552198 and 16552207.

It is not an unprimeable number, because it can be changed into a prime (16552231) 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 7 ways as a sum of consecutive naturals, for example, 236426 + ... + 236495.

It is an arithmetic number, because the mean of its divisors is an integer number (2837532).

Almost surely, 2^16552235 is an apocalyptic number.

16552235 is a deficient number, since it is larger than the sum of its proper divisors (6148021).

16552235 is an equidigital number, since it uses as much as digits as its factorization.

16552235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472933.

The product of its digits is 9000, while the sum is 29.

The square root of 16552235 is about 4068.4438056830. The cubic root of 16552235 is about 254.8505339647.

Adding to 16552235 its reverse (53225561), we get a palindrome (69777796).

The spelling of 16552235 in words is "sixteen million, five hundred fifty-two thousand, two hundred thirty-five".