28054528 has 22 divisors (see below), whose sum is σ = 56083706. Its totient is φ = 14026752.

The previous prime is 28054519. The next prime is 28054531. The reversal of 28054528 is 82545082.

It can be written as a sum of positive squares in only one way, i.e., 25887744 + 2166784 = 5088^2 + 1472^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28054493 and 28054502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12675 + ... + 14722.

Almost surely, 2^28054528 is an apocalyptic number.

It is an amenable number.

28054528 is a deficient number, since it is larger than the sum of its proper divisors (28029178).

28054528 is an equidigital number, since it uses as much as digits as its factorization.

28054528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27417 (or 27399 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 28054528 is about 5296.6525277764. The cubic root of 28054528 is about 303.8558873722.

It can be divided in two parts, 28054 and 528, that added together give a palindrome (28582).

The spelling of 28054528 in words is "twenty-eight million, fifty-four thousand, five hundred twenty-eight".