554663 has 2 divisors, whose sum is σ = 554664. Its totient is φ = 554662.

The previous prime is 554641. The next prime is 554669. The reversal of 554663 is 366455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 554663 - 2¹⁶ = 489127 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554669) 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, 277331 + 277332.

It is an arithmetic number, because the mean of its divisors is an integer number (277332).

2⁵⁵⁴⁶⁶³ is an apocalyptic number.

554663 is a deficient number, since it is larger than the sum of its proper divisors (1).

554663 is an equidigital number, since it uses as much as digits as its factorization.

554663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 29.

The square root of 554663 is about 744.7570073521. The cubic root of 554663 is about 82.1630209209.

The spelling of 554663 in words is "five hundred fifty-four thousand, six hundred sixty-three".