55130336161 has 2 divisors, whose sum is σ = 55130336162. Its totient is φ = 55130336160.

The previous prime is 55130336101. The next prime is 55130336251. The reversal of 55130336161 is 16163303155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45898777600 + 9231558561 = 214240^2 + 96081^2 .

It is a cyclic number.

It is not a de Polignac number, because 55130336161 - 2⁷ = 55130336033 is a prime.

It is not a weakly prime, because it can be changed into another prime (55130336101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27565168080 + 27565168081.

It is an arithmetic number, because the mean of its divisors is an integer number (27565168081).

Almost surely, 2^55130336161 is an apocalyptic number.

It is an amenable number.

55130336161 is a deficient number, since it is larger than the sum of its proper divisors (1).

55130336161 is an equidigital number, since it uses as much as digits as its factorization.

55130336161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 34.

The spelling of 55130336161 in words is "fifty-five billion, one hundred thirty million, three hundred thirty-six thousand, one hundred sixty-one".