55560655597 has 2 divisors, whose sum is σ = 55560655598. Its totient is φ = 55560655596.

The previous prime is 55560655531. The next prime is 55560655613. The reversal of 55560655597 is 79555606555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48021901321 + 7538754276 = 219139^2 + 86826^2 .

It is a cyclic number.

It is not a de Polignac number, because 55560655597 - 2¹¹ = 55560653549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55560655897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27780327798 + 27780327799.

It is an arithmetic number, because the mean of its divisors is an integer number (27780327799).

Almost surely, 2^55560655597 is an apocalyptic number.

It is an amenable number.

55560655597 is a deficient number, since it is larger than the sum of its proper divisors (1).

55560655597 is an equidigital number, since it uses as much as digits as its factorization.

55560655597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35437500, while the sum is 58.

The spelling of 55560655597 in words is "fifty-five billion, five hundred sixty million, six hundred fifty-five thousand, five hundred ninety-seven".