557417 has 4 divisors (see below), whose sum is σ = 637056. Its totient is φ = 477780.

The previous prime is 557377. The next prime is 557423. The reversal of 557417 is 714755.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 557417.

It is not an unprimeable number, because it can be changed into a prime (557017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39809 + ... + 39822.

It is an arithmetic number, because the mean of its divisors is an integer number (159264).

2⁵⁵⁷⁴¹⁷ is an apocalyptic number.

It is an amenable number.

557417 is a deficient number, since it is larger than the sum of its proper divisors (79639).

557417 is an equidigital number, since it uses as much as digits as its factorization.

557417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79638.

The product of its digits is 4900, while the sum is 29.

The square root of 557417 is about 746.6036431735. The cubic root of 557417 is about 82.2987811257.

The spelling of 557417 in words is "five hundred fifty-seven thousand, four hundred seventeen".