28552437553 has 2 divisors, whose sum is σ = 28552437554. Its totient is φ = 28552437552.

The previous prime is 28552437517. The next prime is 28552437593. The reversal of 28552437553 is 35573425582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15417443889 + 13134993664 = 124167^2 + 114608^2 .

It is a cyclic number.

It is not a de Polignac number, because 28552437553 - 2¹⁷ = 28552306481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28552437497 and 28552437506.

It is not a weakly prime, because it can be changed into another prime (28552437593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14276218776 + 14276218777.

It is an arithmetic number, because the mean of its divisors is an integer number (14276218777).

Almost surely, 2^28552437553 is an apocalyptic number.

It is an amenable number.

28552437553 is a deficient number, since it is larger than the sum of its proper divisors (1).

28552437553 is an equidigital number, since it uses as much as digits as its factorization.

28552437553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040000, while the sum is 49.

The spelling of 28552437553 in words is "twenty-eight billion, five hundred fifty-two million, four hundred thirty-seven thousand, five hundred fifty-three".