557542 has 8 divisors (see below), whose sum is σ = 844056. Its totient is φ = 276192.

The previous prime is 557537. The next prime is 557551. The reversal of 557542 is 245755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 557542.

It is a congruent number.

It is an unprimeable number.

557542 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 3 ways as a sum of consecutive naturals, for example, 1008 + ... + 1459.

It is an arithmetic number, because the mean of its divisors is an integer number (105507).

2⁵⁵⁷⁵⁴² is an apocalyptic number.

557542 is a deficient number, since it is larger than the sum of its proper divisors (286514).

557542 is a wasteful number, since it uses less digits than its factorization.

557542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582.

The product of its digits is 7000, while the sum is 28.

The square root of 557542 is about 746.6873509040. The cubic root of 557542 is about 82.3049324623.

The spelling of 557542 in words is "five hundred fifty-seven thousand, five hundred forty-two".