557449 has 2 divisors, whose sum is σ = 557450. Its totient is φ = 557448.

The previous prime is 557443. The next prime is 557461. The reversal of 557449 is 944755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 499849 + 57600 = 707^2 + 240^2 .

It is a cyclic number.

It is not a de Polignac number, because 557449 - 2⁷ = 557321 is a prime.

It is not a weakly prime, because it can be changed into another prime (557443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278724 + 278725.

It is an arithmetic number, because the mean of its divisors is an integer number (278725).

2⁵⁵⁷⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

557449 is a deficient number, since it is larger than the sum of its proper divisors (1).

557449 is an equidigital number, since it uses as much as digits as its factorization.

557449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 34.

The square root of 557449 is about 746.6250732463. The cubic root of 557449 is about 82.3003559555.

The spelling of 557449 in words is "five hundred fifty-seven thousand, four hundred forty-nine".