554555423 has 2 divisors, whose sum is σ = 554555424. Its totient is φ = 554555422.

The previous prime is 554555389. The next prime is 554555437. The reversal of 554555423 is 324555455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 554555423 - 2⁶ = 554555359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554555473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277277711 + 277277712.

It is an arithmetic number, because the mean of its divisors is an integer number (277277712).

Almost surely, 2^554555423 is an apocalyptic number.

554555423 is a deficient number, since it is larger than the sum of its proper divisors (1).

554555423 is an equidigital number, since it uses as much as digits as its factorization.

554555423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 300000, while the sum is 38.

The square root of 554555423 is about 23549.0004671111. Note that the first 3 decimals coincide. The cubic root of 554555423 is about 821.5770873263.

The spelling of 554555423 in words is "five hundred fifty-four million, five hundred fifty-five thousand, four hundred twenty-three".