557343 has 6 divisors (see below), whose sum is σ = 805064. Its totient is φ = 371556.

The previous prime is 557339. The next prime is 557369. The reversal of 557343 is 343755.

It is a happy number.

557343 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 557343 - 2² = 557339 is a prime.

It is a Duffinian number.

557343 is strictly pandigital in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30955 + ... + 30972.

2⁵⁵⁷³⁴³ is an apocalyptic number.

557343 is a deficient number, since it is larger than the sum of its proper divisors (247721).

557343 is a wasteful number, since it uses less digits than its factorization.

557343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61933 (or 61930 counting only the distinct ones).

The product of its digits is 6300, while the sum is 27.

The square root of 557343 is about 746.5540837742. The cubic root of 557343 is about 82.2951391011.

It can be divided in two parts, 557 and 343, that added together give a square (900 = 30²).

The spelling of 557343 in words is "five hundred fifty-seven thousand, three hundred forty-three".