55710240161 has 2 divisors, whose sum is σ = 55710240162. Its totient is φ = 55710240160.

The previous prime is 55710240149. The next prime is 55710240169. The reversal of 55710240161 is 16104201755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51592579600 + 4117660561 = 227140^2 + 64169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55710240161 is a prime.

It is not a weakly prime, because it can be changed into another prime (55710240169) 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, 27855120080 + 27855120081.

It is an arithmetic number, because the mean of its divisors is an integer number (27855120081).

Almost surely, 2^55710240161 is an apocalyptic number.

It is an amenable number.

55710240161 is a deficient number, since it is larger than the sum of its proper divisors (1).

55710240161 is an equidigital number, since it uses as much as digits as its factorization.

55710240161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 32.

The spelling of 55710240161 in words is "fifty-five billion, seven hundred ten million, two hundred forty thousand, one hundred sixty-one".