557923967 has 2 divisors, whose sum is σ = 557923968. Its totient is φ = 557923966.

The previous prime is 557923871. The next prime is 557923973. The reversal of 557923967 is 769329755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 557923967 - 2²² = 553729663 is a prime.

It is a super-2 number, since 2×557923967² = 622558305906034178, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557923987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278961983 + 278961984.

It is an arithmetic number, because the mean of its divisors is an integer number (278961984).

Almost surely, 2^557923967 is an apocalyptic number.

557923967 is a deficient number, since it is larger than the sum of its proper divisors (1).

557923967 is an equidigital number, since it uses as much as digits as its factorization.

557923967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3572100, while the sum is 53.

The square root of 557923967 is about 23620.4142004326. The cubic root of 557923967 is about 823.2372362760.

The spelling of 557923967 in words is "five hundred fifty-seven million, nine hundred twenty-three thousand, nine hundred sixty-seven".