557049 has 4 divisors (see below), whose sum is σ = 742736. Its totient is φ = 371364.

The previous prime is 557041. The next prime is 557057. The reversal of 557049 is 940755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (557041) and next prime (557057).

It is not a de Polignac number, because 557049 - 2³ = 557041 is a prime.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 557049.

It is not an unprimeable number, because it can be changed into a prime (557041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92839 + ... + 92844.

It is an arithmetic number, because the mean of its divisors is an integer number (185684).

2⁵⁵⁷⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

557049 is a deficient number, since it is larger than the sum of its proper divisors (185687).

557049 is a wasteful number, since it uses less digits than its factorization.

557049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185686.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 557049 is about 746.3571531110. The cubic root of 557049 is about 82.2806662502.

The spelling of 557049 in words is "five hundred fifty-seven thousand, forty-nine".