55015522140233 has 2 divisors, whose sum is σ = 55015522140234. Its totient is φ = 55015522140232.

The previous prime is 55015522140181. The next prime is 55015522140281. The reversal of 55015522140233 is 33204122551055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47880490502329 + 7135031637904 = 6919573^2 + 2671148^2 .

It is a cyclic number.

It is not a de Polignac number, because 55015522140233 - 2⁴⁰ = 53916010512457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (55015522140433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27507761070116 + 27507761070117.

It is an arithmetic number, because the mean of its divisors is an integer number (27507761070117).

Almost surely, 2^{55015522140233} is an apocalyptic number.

It is an amenable number.

55015522140233 is a deficient number, since it is larger than the sum of its proper divisors (1).

55015522140233 is an equidigital number, since it uses as much as digits as its factorization.

55015522140233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 55015522140233 its reverse (33204122551055), we get a palindrome (88219644691288).

The spelling of 55015522140233 in words is "fifty-five trillion, fifteen billion, five hundred twenty-two million, one hundred forty thousand, two hundred thirty-three".