554405563 has 2 divisors, whose sum is σ = 554405564. Its totient is φ = 554405562.

The previous prime is 554405549. The next prime is 554405569. The reversal of 554405563 is 365504455.

554405563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 554405563 - 2²¹ = 552308411 is a prime.

It is not a weakly prime, because it can be changed into another prime (554405569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277202781 + 277202782.

It is an arithmetic number, because the mean of its divisors is an integer number (277202782).

Almost surely, 2^554405563 is an apocalyptic number.

554405563 is a deficient number, since it is larger than the sum of its proper divisors (1).

554405563 is an equidigital number, since it uses as much as digits as its factorization.

554405563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180000, while the sum is 37.

The square root of 554405563 is about 23545.8183760939. The cubic root of 554405563 is about 821.5030745048.

The spelling of 554405563 in words is "five hundred fifty-four million, four hundred five thousand, five hundred sixty-three".