558039 has 4 divisors (see below), whose sum is σ = 744056. Its totient is φ = 372024.

The previous prime is 558029. The next prime is 558053. The reversal of 558039 is 930855.

558039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 558039 - 2⁵ = 558007 is a prime.

It is a super-2 number, since 2×558039² = 622815051042, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 557997 and 558015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (558029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93004 + ... + 93009.

It is an arithmetic number, because the mean of its divisors is an integer number (186014).

2⁵⁵⁸⁰³⁹ is an apocalyptic number.

558039 is a deficient number, since it is larger than the sum of its proper divisors (186017).

558039 is a wasteful number, since it uses less digits than its factorization.

558039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186016.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 558039 is about 747.0200800514. The cubic root of 558039 is about 82.3293810855.

Subtracting from 558039 its sum of digits (30), we obtain a square (558009 = 747²).

Subtracting 558039 from its reverse (930855), we obtain a triangular number (372816 = T₈₆₃).

The spelling of 558039 in words is "five hundred fifty-eight thousand, thirty-nine".