28000050055291 has 2 divisors, whose sum is σ = 28000050055292. Its totient is φ = 28000050055290.

The previous prime is 28000050055253. The next prime is 28000050055343. The reversal of 28000050055291 is 19255005000082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28000050055291 - 2³³ = 27991460120699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28000050055291.

It is not a weakly prime, because it can be changed into another prime (28000050055391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14000025027645 + 14000025027646.

It is an arithmetic number, because the mean of its divisors is an integer number (14000025027646).

Almost surely, 2^{28000050055291} is an apocalyptic number.

28000050055291 is a deficient number, since it is larger than the sum of its proper divisors (1).

28000050055291 is an equidigital number, since it uses as much as digits as its factorization.

28000050055291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 37.

The spelling of 28000050055291 in words is "twenty-eight trillion, fifty million, fifty-five thousand, two hundred ninety-one".