554994773 has 2 divisors, whose sum is σ = 554994774. Its totient is φ = 554994772.

The previous prime is 554994757. The next prime is 554994793. The reversal of 554994773 is 377499455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 456548689 + 98446084 = 21367^2 + 9922^2 .

It is a cyclic number.

It is not a de Polignac number, because 554994773 - 2⁴ = 554994757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554994793) 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, 277497386 + 277497387.

It is an arithmetic number, because the mean of its divisors is an integer number (277497387).

Almost surely, 2^554994773 is an apocalyptic number.

It is an amenable number.

554994773 is a deficient number, since it is larger than the sum of its proper divisors (1).

554994773 is an equidigital number, since it uses as much as digits as its factorization.

554994773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4762800, while the sum is 53.

The square root of 554994773 is about 23558.3270416216. The cubic root of 554994773 is about 821.7939965813.

The spelling of 554994773 in words is "five hundred fifty-four million, nine hundred ninety-four thousand, seven hundred seventy-three".