28554016 has 24 divisors (see below), whose sum is σ = 59523660. Its totient is φ = 13436928.

The previous prime is 28553989. The next prime is 28554041. The reversal of 28554016 is 61045582.

It can be written as a sum of positive squares in 2 ways, for example, as 28515600 + 38416 = 5340^2 + 196^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25701 + ... + 26788.

Almost surely, 2^28554016 is an apocalyptic number.

It is an amenable number.

28554016 is an abundant number, since it is smaller than the sum of its proper divisors (30969644).

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

28554016 is a wasteful number, since it uses less digits than its factorization.

28554016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52516 (or 52508 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 28554016 is about 5343.5957930966. The cubic root of 28554016 is about 305.6485920009.

Adding to 28554016 its reverse (61045582), we get a palindrome (89599598).

The spelling of 28554016 in words is "twenty-eight million, five hundred fifty-four thousand, sixteen".