554490197 has 2 divisors, whose sum is σ = 554490198. Its totient is φ = 554490196.

The previous prime is 554490193. The next prime is 554490227. The reversal of 554490197 is 791094455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 512162161 + 42328036 = 22631^2 + 6506^2 .

It is a cyclic number.

It is not a de Polignac number, because 554490197 - 2² = 554490193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554490193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277245098 + 277245099.

It is an arithmetic number, because the mean of its divisors is an integer number (277245099).

Almost surely, 2^554490197 is an apocalyptic number.

It is an amenable number.

554490197 is a deficient number, since it is larger than the sum of its proper divisors (1).

554490197 is an equidigital number, since it uses as much as digits as its factorization.

554490197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 554490197 is about 23547.6155268426. The cubic root of 554490197 is about 821.5448751638.

The spelling of 554490197 in words is "five hundred fifty-four million, four hundred ninety thousand, one hundred ninety-seven".