55500500505497 has 2 divisors, whose sum is σ = 55500500505498. Its totient is φ = 55500500505496.

The previous prime is 55500500505491. The next prime is 55500500505523. The reversal of 55500500505497 is 79450500500555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55476591924121 + 23908581376 = 7448261^2 + 154624^2 .

It is a cyclic number.

It is not a de Polignac number, because 55500500505497 - 2⁴ = 55500500505481 is a prime.

It is not a weakly prime, because it can be changed into another prime (55500500505491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27750250252748 + 27750250252749.

It is an arithmetic number, because the mean of its divisors is an integer number (27750250252749).

Almost surely, 2^{55500500505497} is an apocalyptic number.

It is an amenable number.

55500500505497 is a deficient number, since it is larger than the sum of its proper divisors (1).

55500500505497 is an equidigital number, since it uses as much as digits as its factorization.

55500500505497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3937500, while the sum is 50.

The spelling of 55500500505497 in words is "fifty-five trillion, five hundred billion, five hundred million, five hundred five thousand, four hundred ninety-seven".