16552432 has 20 divisors (see below), whose sum is σ = 34537720. Its totient is φ = 7639488.

The previous prime is 16552343. The next prime is 16552447. The reversal of 16552432 is 23425561.

It is a super-2 number, since 2×16552432² = 547966010229248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16552432.

It is a congruent number.

It is an unprimeable number.

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, 39582 + ... + 39997.

It is an arithmetic number, because the mean of its divisors is an integer number (1726886).

Almost surely, 2^16552432 is an apocalyptic number.

It is an amenable number.

16552432 is an abundant number, since it is smaller than the sum of its proper divisors (17985288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16552432 is a wasteful number, since it uses less digits than its factorization.

16552432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79600 (or 79594 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 16552432 is about 4068.4680163423. The cubic root of 16552432 is about 254.8515450136.

Adding to 16552432 its reverse (23425561), we get a palindrome (39977993).

The spelling of 16552432 in words is "sixteen million, five hundred fifty-two thousand, four hundred thirty-two".