28030255553 has 2 divisors, whose sum is σ = 28030255554. Its totient is φ = 28030255552.

The previous prime is 28030255511. The next prime is 28030255597. The reversal of 28030255553 is 35555203082.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25692242944 + 2338012609 = 160288^2 + 48353^2 .

It is a cyclic number.

It is not a de Polignac number, because 28030255553 - 2¹⁴ = 28030239169 is a prime.

It is not a weakly prime, because it can be changed into another prime (28039255553) 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 as a sum of consecutive naturals, namely, 14015127776 + 14015127777.

It is an arithmetic number, because the mean of its divisors is an integer number (14015127777).

Almost surely, 2^28030255553 is an apocalyptic number.

It is an amenable number.

28030255553 is a deficient number, since it is larger than the sum of its proper divisors (1).

28030255553 is an equidigital number, since it uses as much as digits as its factorization.

28030255553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 28030255553 in words is "twenty-eight billion, thirty million, two hundred fifty-five thousand, five hundred fifty-three".