55500525027697 has 2 divisors, whose sum is σ = 55500525027698. Its totient is φ = 55500525027696.

The previous prime is 55500525027641. The next prime is 55500525027749. The reversal of 55500525027697 is 79672052500555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45547705201216 + 9952819826481 = 6748904^2 + 3154809^2 .

It is a cyclic number.

It is not a de Polignac number, because 55500525027697 - 2⁷ = 55500525027569 is a prime.

It is not a weakly prime, because it can be changed into another prime (55500525027097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27750262513848 + 27750262513849.

It is an arithmetic number, because the mean of its divisors is an integer number (27750262513849).

Almost surely, 2^{55500525027697} is an apocalyptic number.

It is an amenable number.

55500525027697 is a deficient number, since it is larger than the sum of its proper divisors (1).

55500525027697 is an equidigital number, since it uses as much as digits as its factorization.

55500525027697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33075000, while the sum is 58.

The spelling of 55500525027697 in words is "fifty-five trillion, five hundred billion, five hundred twenty-five million, twenty-seven thousand, six hundred ninety-seven".