557140 has 24 divisors (see below), whose sum is σ = 1186920. Its totient is φ = 219648.

The previous prime is 557093. The next prime is 557153. The reversal of 557140 is 41755.

It can be written as a sum of positive squares in 4 ways, for example, as 21316 + 535824 = 146^2 + 732^2 .

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable 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 7 ways as a sum of consecutive naturals, for example, 1624 + ... + 1936.

It is an arithmetic number, because the mean of its divisors is an integer number (49455).

2⁵⁵⁷¹⁴⁰ is an apocalyptic number.

It is an amenable number.

557140 is an abundant number, since it is smaller than the sum of its proper divisors (629780).

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

557140 is a wasteful number, since it uses less digits than its factorization.

557140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 557140 is about 746.4181133922. The cubic root of 557140 is about 82.2851464862.

Adding to 557140 its reverse (41755), we get a palindrome (598895).

The spelling of 557140 in words is "five hundred fifty-seven thousand, one hundred forty".