557466 has 32 divisors (see below), whose sum is σ = 1373568. Its totient is φ = 146880.

The previous prime is 557461. The next prime is 557483. The reversal of 557466 is 664755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557461) 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 15 ways as a sum of consecutive naturals, for example, 36 + ... + 1056.

It is an arithmetic number, because the mean of its divisors is an integer number (42924).

2⁵⁵⁷⁴⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686784).

557466 is an abundant number, since it is smaller than the sum of its proper divisors (816102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557466 is a wasteful number, since it uses less digits than its factorization.

557466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046.

The product of its digits is 25200, while the sum is 33.

The square root of 557466 is about 746.6364577222. The cubic root of 557466 is about 82.3011925592.

Adding to 557466 its reverse (664755), we get a palindrome (1222221).

The spelling of 557466 in words is "five hundred fifty-seven thousand, four hundred sixty-six".