557214923 has 2 divisors, whose sum is σ = 557214924. Its totient is φ = 557214922.

The previous prime is 557214907. The next prime is 557214943. The reversal of 557214923 is 329412755.

557214923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 557214923 - 2⁴ = 557214907 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (557214943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278607461 + 278607462.

It is an arithmetic number, because the mean of its divisors is an integer number (278607462).

Almost surely, 2^557214923 is an apocalyptic number.

557214923 is a deficient number, since it is larger than the sum of its proper divisors (1).

557214923 is an equidigital number, since it uses as much as digits as its factorization.

557214923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 38.

The square root of 557214923 is about 23605.4002931533. The cubic root of 557214923 is about 822.8883483126. Note that the first 3 decimals are identical.

The spelling of 557214923 in words is "five hundred fifty-seven million, two hundred fourteen thousand, nine hundred twenty-three".