557382 has 32 divisors (see below), whose sum is σ = 1331712. Its totient is φ = 152064.

The previous prime is 557377. The next prime is 557423. The reversal of 557382 is 283755.

It is a happy number.

It is a d-powerful number, because it can be written as 5³ + 5³ + 3³ + 7² + 8⁵ + 2¹⁹ .

It is a congruent number.

It is an unprimeable number.

557382 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678 + ... + 1254.

It is an arithmetic number, because the mean of its divisors is an integer number (41616).

2⁵⁵⁷³⁸² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665856).

557382 is an abundant number, since it is smaller than the sum of its proper divisors (774330).

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

557382 is a wasteful number, since it uses less digits than its factorization.

557382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612.

The product of its digits is 8400, while the sum is 30.

The square root of 557382 is about 746.5802033271. The cubic root of 557382 is about 82.2970585867.

It can be divided in two parts, 557 and 382, that added together give a palindrome (939).

The spelling of 557382 in words is "five hundred fifty-seven thousand, three hundred eighty-two".