557961311 has 2 divisors, whose sum is σ = 557961312. Its totient is φ = 557961310.

The previous prime is 557961241. The next prime is 557961317. The reversal of 557961311 is 113169755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 557961311 - 2¹⁴ = 557944927 is a prime.

It is a super-2 number, since 2×557961311² = 622641649145677442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557961317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278980655 + 278980656.

It is an arithmetic number, because the mean of its divisors is an integer number (278980656).

Almost surely, 2^557961311 is an apocalyptic number.

557961311 is a deficient number, since it is larger than the sum of its proper divisors (1).

557961311 is an equidigital number, since it uses as much as digits as its factorization.

557961311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28350, while the sum is 38.

The square root of 557961311 is about 23621.2046898544. The cubic root of 557961311 is about 823.2556033459.

The spelling of 557961311 in words is "five hundred fifty-seven million, nine hundred sixty-one thousand, three hundred eleven".