557487233 has 2 divisors, whose sum is σ = 557487234. Its totient is φ = 557487232.

The previous prime is 557487211. The next prime is 557487241. The reversal of 557487233 is 332784755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 514019584 + 43467649 = 22672^2 + 6593^2 .

It is a cyclic number.

It is not a de Polignac number, because 557487233 - 2⁶ = 557487169 is a prime.

It is not a weakly prime, because it can be changed into another prime (557487253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278743616 + 278743617.

It is an arithmetic number, because the mean of its divisors is an integer number (278743617).

Almost surely, 2^557487233 is an apocalyptic number.

It is an amenable number.

557487233 is a deficient number, since it is larger than the sum of its proper divisors (1).

557487233 is an equidigital number, since it uses as much as digits as its factorization.

557487233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 705600, while the sum is 44.

The square root of 557487233 is about 23611.1675484293. The cubic root of 557487233 is about 823.0223745349.

The spelling of 557487233 in words is "five hundred fifty-seven million, four hundred eighty-seven thousand, two hundred thirty-three".