54421323263161 has 2 divisors, whose sum is σ = 54421323263162. Its totient is φ = 54421323263160.

The previous prime is 54421323263147. The next prime is 54421323263201. The reversal of 54421323263161 is 16136232312445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53547928346025 + 873394917136 = 7317645^2 + 934556^2 .

It is a cyclic number.

It is not a de Polignac number, because 54421323263161 - 2²⁹ = 54420786392249 is a prime.

It is a super-3 number, since 3×54421323263161³ (a number of 42 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (54421323263141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27210661631580 + 27210661631581.

It is an arithmetic number, because the mean of its divisors is an integer number (27210661631581).

Almost surely, 2^{54421323263161} is an apocalyptic number.

It is an amenable number.

54421323263161 is a deficient number, since it is larger than the sum of its proper divisors (1).

54421323263161 is an equidigital number, since it uses as much as digits as its factorization.

54421323263161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 43.

The spelling of 54421323263161 in words is "fifty-four trillion, four hundred twenty-one billion, three hundred twenty-three million, two hundred sixty-three thousand, one hundred sixty-one".