28552803 has 4 divisors (see below), whose sum is σ = 38070408. Its totient is φ = 19035200.

The previous prime is 28552793. The next prime is 28552837. The reversal of 28552803 is 30825582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28552803 - 2⁶ = 28552739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28552103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4758798 + ... + 4758803.

It is an arithmetic number, because the mean of its divisors is an integer number (9517602).

Almost surely, 2^28552803 is an apocalyptic number.

28552803 is a deficient number, since it is larger than the sum of its proper divisors (9517605).

28552803 is an equidigital number, since it uses as much as digits as its factorization.

28552803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9517604.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 28552803 is about 5343.4822915399. The cubic root of 28552803 is about 305.6442638649.

The spelling of 28552803 in words is "twenty-eight million, five hundred fifty-two thousand, eight hundred three".