55202587250897 has 2 divisors, whose sum is σ = 55202587250898. Its totient is φ = 55202587250896.

The previous prime is 55202587250879. The next prime is 55202587250959. The reversal of 55202587250897 is 79805278520255.

Together with previous prime (55202587250879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27632358709201 + 27570228541696 = 5256649^2 + 5250736^2 .

It is a cyclic number.

It is not a de Polignac number, because 55202587250897 - 2¹⁸ = 55202586988753 is a prime.

It is not a weakly prime, because it can be changed into another prime (55202587250857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27601293625448 + 27601293625449.

It is an arithmetic number, because the mean of its divisors is an integer number (27601293625449).

Almost surely, 2^{55202587250897} is an apocalyptic number.

It is an amenable number.

55202587250897 is a deficient number, since it is larger than the sum of its proper divisors (1).

55202587250897 is an equidigital number, since it uses as much as digits as its factorization.

55202587250897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120000, while the sum is 65.

The spelling of 55202587250897 in words is "fifty-five trillion, two hundred two billion, five hundred eighty-seven million, two hundred fifty thousand, eight hundred ninety-seven".