558442 has 4 divisors (see below), whose sum is σ = 837666. Its totient is φ = 279220.

The previous prime is 558431. The next prime is 558457. The reversal of 558442 is 244855.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 546121 + 12321 = 739^2 + 111^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 558442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139609 + ... + 139612.

2⁵⁵⁸⁴⁴² is an apocalyptic number.

558442 is a deficient number, since it is larger than the sum of its proper divisors (279224).

558442 is a wasteful number, since it uses less digits than its factorization.

558442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279223.

The product of its digits is 6400, while the sum is 28.

The square root of 558442 is about 747.2897697681. The cubic root of 558442 is about 82.3491949676.

It can be divided in two parts, 558 and 442, that added together give a cube (1000 = 10³).

The spelling of 558442 in words is "five hundred fifty-eight thousand, four hundred forty-two".