557047919 has 2 divisors, whose sum is σ = 557047920. Its totient is φ = 557047918.

The previous prime is 557047903. The next prime is 557047949. The reversal of 557047919 is 919740755.

557047919 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 557047919 - 2⁴ = 557047903 is a prime.

It is a super-2 number, since 2×557047919² = 620604768124461122, which contains 22 as substring.

It is a Sophie Germain prime.

It is equal to p_29195588 and since 557047919 and 29195588 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557047949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278523959 + 278523960.

It is an arithmetic number, because the mean of its divisors is an integer number (278523960).

Almost surely, 2^557047919 is an apocalyptic number.

557047919 is a deficient number, since it is larger than the sum of its proper divisors (1).

557047919 is an equidigital number, since it uses as much as digits as its factorization.

557047919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 396900, while the sum is 47.

The square root of 557047919 is about 23601.8626171749. The cubic root of 557047919 is about 822.8061302601.

The spelling of 557047919 in words is "five hundred fifty-seven million, forty-seven thousand, nine hundred nineteen".