28014553 has 12 divisors (see below), whose sum is σ = 32504448. Its totient is φ = 23652000.

The previous prime is 28014523. The next prime is 28014559. The reversal of 28014553 is 35541082.

It is a de Polignac number, because none of the positive numbers 2^k-28014553 is a prime.

It is a Duffinian number.

28014553 is a modest number, since divided by 14553 gives 28 as remainder.

It is not an unprimeable number, because it can be changed into a prime (28014559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36928 + ... + 37678.

It is an arithmetic number, because the mean of its divisors is an integer number (2708704).

Almost surely, 2^28014553 is an apocalyptic number.

It is an amenable number.

28014553 is a deficient number, since it is larger than the sum of its proper divisors (4489895).

28014553 is an frugal number, since it uses more digits than its factorization.

28014553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 831 counting only the distinct ones).

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

The square root of 28014553 is about 5292.8775727387. The cubic root of 28014553 is about 303.7114969796.

The spelling of 28014553 in words is "twenty-eight million, fourteen thousand, five hundred fifty-three".