55055000017 has 2 divisors, whose sum is σ = 55055000018. Its totient is φ = 55055000016.

The previous prime is 55055000003. The next prime is 55055000041. The reversal of 55055000017 is 71000055055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40064425921 + 14990574096 = 200161^2 + 122436^2 .

It is a cyclic number.

It is not a de Polignac number, because 55055000017 - 2²³ = 55046611409 is a prime.

It is a super-3 number, since 3×55055000017³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (55055040017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27527500008 + 27527500009.

It is an arithmetic number, because the mean of its divisors is an integer number (27527500009).

Almost surely, 2^55055000017 is an apocalyptic number.

It is an amenable number.

55055000017 is a deficient number, since it is larger than the sum of its proper divisors (1).

55055000017 is an equidigital number, since it uses as much as digits as its factorization.

55055000017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4375, while the sum is 28.

The spelling of 55055000017 in words is "fifty-five billion, fifty-five million, seventeen", and thus it is an aban number and an uban number.