554789149 has 2 divisors, whose sum is σ = 554789150. Its totient is φ = 554789148.

The previous prime is 554789143. The next prime is 554789153. The reversal of 554789149 is 941987455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 545222500 + 9566649 = 23350^2 + 3093^2 .

It is a cyclic number.

It is not a de Polignac number, because 554789149 - 2⁵ = 554789117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 554789096 and 554789105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554789143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277394574 + 277394575.

It is an arithmetic number, because the mean of its divisors is an integer number (277394575).

Almost surely, 2^554789149 is an apocalyptic number.

It is an amenable number.

554789149 is a deficient number, since it is larger than the sum of its proper divisors (1).

554789149 is an equidigital number, since it uses as much as digits as its factorization.

554789149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 52.

The square root of 554789149 is about 23553.9624904176. The cubic root of 554789149 is about 821.6924932578.

The spelling of 554789149 in words is "five hundred fifty-four million, seven hundred eighty-nine thousand, one hundred forty-nine".