557342 has 4 divisors (see below), whose sum is σ = 836016. Its totient is φ = 278670.

The previous prime is 557339. The next prime is 557369. The reversal of 557342 is 243755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243755 = 5 ⋅48751.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 139334 + ... + 139337.

It is an arithmetic number, because the mean of its divisors is an integer number (209004).

2⁵⁵⁷³⁴² is an apocalyptic number.

557342 is a deficient number, since it is larger than the sum of its proper divisors (278674).

557342 is a wasteful number, since it uses less digits than its factorization.

557342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278673.

The product of its digits is 4200, while the sum is 26.

The square root of 557342 is about 746.5534140301. The cubic root of 557342 is about 82.2950898823.

The spelling of 557342 in words is "five hundred fifty-seven thousand, three hundred forty-two".