28025056 has 12 divisors (see below), whose sum is σ = 55174392. Its totient is φ = 14012512.

The previous prime is 28025051. The next prime is 28025071. The reversal of 28025056 is 65052082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28025051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437860 + ... + 437923.

It is an arithmetic number, because the mean of its divisors is an integer number (4597866).

Almost surely, 2^28025056 is an apocalyptic number.

It is an amenable number.

28025056 is a deficient number, since it is larger than the sum of its proper divisors (27149336).

28025056 is an equidigital number, since it uses as much as digits as its factorization.

28025056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875793 (or 875785 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 28025056 is about 5293.8696621659. The cubic root of 28025056 is about 303.7494472942.

The spelling of 28025056 in words is "twenty-eight million, twenty-five thousand, fifty-six".