554320061 has 2 divisors, whose sum is σ = 554320062. Its totient is φ = 554320060.

The previous prime is 554320049. The next prime is 554320069. The reversal of 554320061 is 160023455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342472036 + 211848025 = 18506^2 + 14555^2 .

It is a cyclic number.

It is not a de Polignac number, because 554320061 - 2¹⁴ = 554303677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 554320061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554320069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277160030 + 277160031.

It is an arithmetic number, because the mean of its divisors is an integer number (277160031).

Almost surely, 2^554320061 is an apocalyptic number.

It is an amenable number.

554320061 is a deficient number, since it is larger than the sum of its proper divisors (1).

554320061 is an equidigital number, since it uses as much as digits as its factorization.

554320061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 554320061 is about 23544.0026546040. The cubic root of 554320061 is about 821.4608408214.

The spelling of 554320061 in words is "five hundred fifty-four million, three hundred twenty thousand, sixty-one".