557144 has 16 divisors (see below), whose sum is σ = 1194000. Its totient is φ = 238752.

The previous prime is 557093. The next prime is 557153. The reversal of 557144 is 441755.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 557144.

It is an unprimeable number.

557144 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4919 + ... + 5030.

It is an arithmetic number, because the mean of its divisors is an integer number (74625).

2⁵⁵⁷¹⁴⁴ is an apocalyptic number.

It is an amenable number.

557144 is an abundant number, since it is smaller than the sum of its proper divisors (636856).

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

557144 is a wasteful number, since it uses less digits than its factorization.

557144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9962 (or 9958 counting only the distinct ones).

The product of its digits is 2800, while the sum is 26.

The square root of 557144 is about 746.4207928508. The cubic root of 557144 is about 82.2853434085.

Adding to 557144 its reverse (441755), we get a palindrome (998899).

It can be divided in two parts, 557 and 144, that multiplied together give a palindrome (80208).

The spelling of 557144 in words is "five hundred fifty-seven thousand, one hundred forty-four".