558868540 has 96 divisors (see below), whose sum is σ = 1301577984. Its totient is φ = 200663040.

The previous prime is 558868529. The next prime is 558868547. The reversal of 558868540 is 45868855.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (558868547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 654754 + ... + 655606.

It is an arithmetic number, because the mean of its divisors is an integer number (13558104).

Almost surely, 2^558868540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 558868540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650788992).

558868540 is an abundant number, since it is smaller than the sum of its proper divisors (742709444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

558868540 is a wasteful number, since it uses less digits than its factorization.

558868540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 49.

The square root of 558868540 is about 23640.4005888225. The cubic root of 558868540 is about 823.7015583525.

The spelling of 558868540 in words is "five hundred fifty-eight million, eight hundred sixty-eight thousand, five hundred forty".