558361540 has 48 divisors (see below), whose sum is σ = 1284857280. Its totient is φ = 202135680.

The previous prime is 558361523. The next prime is 558361543. The reversal of 558361540 is 45163855.

558361540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 558361540.

It is not an unprimeable number, because it can be changed into a prime (558361543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44839 + ... + 55921.

It is an arithmetic number, because the mean of its divisors is an integer number (26767860).

Almost surely, 2^558361540 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 558361540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642428640).

558361540 is an abundant number, since it is smaller than the sum of its proper divisors (726495740).

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

558361540 is a wasteful number, since it uses less digits than its factorization.

558361540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11332 (or 11330 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 558361540 is about 23629.6749871851. The cubic root of 558361540 is about 823.4523983624.

The spelling of 558361540 in words is "five hundred fifty-eight million, three hundred sixty-one thousand, five hundred forty".