558481506 has 64 divisors (see below), whose sum is σ = 1252855296. Its totient is φ = 164505600.

The previous prime is 558481481. The next prime is 558481513. The reversal of 558481506 is 605184855.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 870946 + ... + 871586.

It is an arithmetic number, because the mean of its divisors is an integer number (19575864).

Almost surely, 2^558481506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 558481506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (626427648).

558481506 is an abundant number, since it is smaller than the sum of its proper divisors (694373790).

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

558481506 is a wasteful number, since it uses less digits than its factorization.

558481506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007.

The product of its (nonzero) digits is 192000, while the sum is 42.

The square root of 558481506 is about 23632.2133114950. The cubic root of 558481506 is about 823.5113680498.

The spelling of 558481506 in words is "five hundred fifty-eight million, four hundred eighty-one thousand, five hundred six".