55045263066461 has 2 divisors, whose sum is σ = 55045263066462. Its totient is φ = 55045263066460.

The previous prime is 55045263066401. The next prime is 55045263066467. The reversal of 55045263066461 is 16466036254055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53529855288100 + 1515407778361 = 7316410^2 + 1231019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55045263066461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55045263066467) 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, 27522631533230 + 27522631533231.

It is an arithmetic number, because the mean of its divisors is an integer number (27522631533231).

Almost surely, 2^{55045263066461} is an apocalyptic number.

It is an amenable number.

55045263066461 is a deficient number, since it is larger than the sum of its proper divisors (1).

55045263066461 is an equidigital number, since it uses as much as digits as its factorization.

55045263066461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552000, while the sum is 53.

The spelling of 55045263066461 in words is "fifty-five trillion, forty-five billion, two hundred sixty-three million, sixty-six thousand, four hundred sixty-one".