581875056 has 160 divisors (see below), whose sum is σ = 1917972480. Its totient is φ = 165452544.

The previous prime is 581875009. The next prime is 581875109. The reversal of 581875056 is 650578185.

581875056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 958305 + ... + 958911.

It is an arithmetic number, because the mean of its divisors is an integer number (11987328).

Almost surely, 2^581875056 is an apocalyptic number.

581875056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 581875056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (958986240).

581875056 is an abundant number, since it is smaller than the sum of its proper divisors (1336097424).

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

581875056 is a wasteful number, since it uses less digits than its factorization.

581875056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 45.

The square root of 581875056 is about 24122.0864769199. The cubic root of 581875056 is about 834.8528101798.

The spelling of 581875056 in words is "five hundred eighty-one million, eight hundred seventy-five thousand, fifty-six".