557731099 has 2 divisors, whose sum is σ = 557731100. Its totient is φ = 557731098.

The previous prime is 557731063. The next prime is 557731133. The reversal of 557731099 is 990137755.

It is a happy number.

557731099 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 557731099 - 2⁹ = 557730587 is a prime.

It is a super-2 number, since 2×557731099² = 622127957583495602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (557431099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278865549 + 278865550.

It is an arithmetic number, because the mean of its divisors is an integer number (278865550).

Almost surely, 2^557731099 is an apocalyptic number.

557731099 is a deficient number, since it is larger than the sum of its proper divisors (1).

557731099 is an equidigital number, since it uses as much as digits as its factorization.

557731099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 297675, while the sum is 46.

The square root of 557731099 is about 23616.3311926302. The cubic root of 557731099 is about 823.1423640784.

The spelling of 557731099 in words is "five hundred fifty-seven million, seven hundred thirty-one thousand, ninety-nine".