55555005017 has 2 divisors, whose sum is σ = 55555005018. Its totient is φ = 55555005016.

The previous prime is 55555004987. The next prime is 55555005029. The reversal of 55555005017 is 71050055555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55524324496 + 30680521 = 235636^2 + 5539^2 .

It is a cyclic number.

It is not a de Polignac number, because 55555005017 - 2¹⁴ = 55554988633 is a prime.

It is not a weakly prime, because it can be changed into another prime (55555025017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27777502508 + 27777502509.

It is an arithmetic number, because the mean of its divisors is an integer number (27777502509).

Almost surely, 2^55555005017 is an apocalyptic number.

It is an amenable number.

55555005017 is a deficient number, since it is larger than the sum of its proper divisors (1).

55555005017 is an equidigital number, since it uses as much as digits as its factorization.

55555005017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 109375, while the sum is 38.

The spelling of 55555005017 in words is "fifty-five billion, five hundred fifty-five million, five thousand, seventeen".