55511652510217 has 2 divisors, whose sum is σ = 55511652510218. Its totient is φ = 55511652510216.

The previous prime is 55511652510199. The next prime is 55511652510241. The reversal of 55511652510217 is 71201525611555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54096304490361 + 1415348019856 = 7355019^2 + 1189684^2 .

It is a cyclic number.

It is not a de Polignac number, because 55511652510217 - 2⁴³ = 46715559488009 is a prime.

It is not a weakly prime, because it can be changed into another prime (55511652510277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755826255108 + 27755826255109.

It is an arithmetic number, because the mean of its divisors is an integer number (27755826255109).

Almost surely, 2^{55511652510217} is an apocalyptic number.

It is an amenable number.

55511652510217 is a deficient number, since it is larger than the sum of its proper divisors (1).

55511652510217 is an equidigital number, since it uses as much as digits as its factorization.

55511652510217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 525000, while the sum is 46.

The spelling of 55511652510217 in words is "fifty-five trillion, five hundred eleven billion, six hundred fifty-two million, five hundred ten thousand, two hundred seventeen".