28028003055553 has 2 divisors, whose sum is σ = 28028003055554. Its totient is φ = 28028003055552.

The previous prime is 28028003055539. The next prime is 28028003055571. The reversal of 28028003055553 is 35555030082082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27961971016464 + 66032039089 = 5287908^2 + 256967^2 .

It is a cyclic number.

It is not a de Polignac number, because 28028003055553 - 2²⁵ = 28027969501121 is a prime.

It is not a weakly prime, because it can be changed into another prime (28028003055593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14014001527776 + 14014001527777.

It is an arithmetic number, because the mean of its divisors is an integer number (14014001527777).

Almost surely, 2^{28028003055553} is an apocalyptic number.

It is an amenable number.

28028003055553 is a deficient number, since it is larger than the sum of its proper divisors (1).

28028003055553 is an equidigital number, since it uses as much as digits as its factorization.

28028003055553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440000, while the sum is 46.

The spelling of 28028003055553 in words is "twenty-eight trillion, twenty-eight billion, three million, fifty-five thousand, five hundred fifty-three".