557417249 has 4 divisors (see below), whose sum is σ = 562626864. Its totient is φ = 552207636.

The previous prime is 557417219. The next prime is 557417261. The reversal of 557417249 is 942714755.

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, and also an emirpimes, since its reverse is a distinct semiprime: 942714755 = 5 ⋅188542951.

It is a cyclic number.

It is not a de Polignac number, because 557417249 - 2²⁴ = 540640033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (557417219) 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 in 3 ways as a sum of consecutive naturals, for example, 2604647 + ... + 2604860.

It is an arithmetic number, because the mean of its divisors is an integer number (140656716).

Almost surely, 2^557417249 is an apocalyptic number.

It is an amenable number.

557417249 is a deficient number, since it is larger than the sum of its proper divisors (5209615).

557417249 is a wasteful number, since it uses less digits than its factorization.

557417249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5209614.

The product of its digits is 352800, while the sum is 44.

The square root of 557417249 is about 23609.6854913402. The cubic root of 557417249 is about 822.9879338010.

The spelling of 557417249 in words is "five hundred fifty-seven million, four hundred seventeen thousand, two hundred forty-nine".