557923973 has 2 divisors, whose sum is σ = 557923974. Its totient is φ = 557923972.

The previous prime is 557923967. The next prime is 557923979. The reversal of 557923973 is 379329755.

It is a balanced prime because it is at equal distance from previous prime (557923967) and next prime (557923979).

It can be written as a sum of positive squares in only one way, i.e., 411562369 + 146361604 = 20287^2 + 12098^2 .

It is a cyclic number.

It is not a de Polignac number, because 557923973 - 2¹² = 557919877 is a prime.

It is a super-2 number, since 2×557923973² = 622558319296209458, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557923979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278961986 + 278961987.

It is an arithmetic number, because the mean of its divisors is an integer number (278961987).

Almost surely, 2^557923973 is an apocalyptic number.

It is an amenable number.

557923973 is a deficient number, since it is larger than the sum of its proper divisors (1).

557923973 is an equidigital number, since it uses as much as digits as its factorization.

557923973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1786050, while the sum is 50.

The square root of 557923973 is about 23620.4143274414. The cubic root of 557923973 is about 823.2372392271.

The spelling of 557923973 in words is "five hundred fifty-seven million, nine hundred twenty-three thousand, nine hundred seventy-three".