554190491 has 2 divisors, whose sum is σ = 554190492. Its totient is φ = 554190490.

The previous prime is 554190487. The next prime is 554190509. The reversal of 554190491 is 194091455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 554190491 - 2² = 554190487 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (554190401) 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, 277095245 + 277095246.

It is an arithmetic number, because the mean of its divisors is an integer number (277095246).

Almost surely, 2^554190491 is an apocalyptic number.

554190491 is a deficient number, since it is larger than the sum of its proper divisors (1).

554190491 is an equidigital number, since it uses as much as digits as its factorization.

554190491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 554190491 is about 23541.2508376254. The cubic root of 554190491 is about 821.3968314865.

The spelling of 554190491 in words is "five hundred fifty-four million, one hundred ninety thousand, four hundred ninety-one".