554291663 has 2 divisors, whose sum is σ = 554291664. Its totient is φ = 554291662.

The previous prime is 554291657. The next prime is 554291671. The reversal of 554291663 is 366192455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 554291663 - 2⁶ = 554291599 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 554291663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554291653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277145831 + 277145832.

It is an arithmetic number, because the mean of its divisors is an integer number (277145832).

Almost surely, 2^554291663 is an apocalyptic number.

554291663 is a deficient number, since it is larger than the sum of its proper divisors (1).

554291663 is an equidigital number, since it uses as much as digits as its factorization.

554291663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 41.

The square root of 554291663 is about 23543.3995633596. The cubic root of 554291663 is about 821.4468126784.

The spelling of 554291663 in words is "five hundred fifty-four million, two hundred ninety-one thousand, six hundred sixty-three".