5581357056 has 480 divisors, whose sum is σ = 19125442560. Its totient is φ = 1592524800.

The previous prime is 5581357039. The next prime is 5581357069. The reversal of 5581357056 is 6507531855.

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, 150847470 + ... + 150847506.

It is an arithmetic number, because the mean of its divisors is an integer number (39844672).

Almost surely, 2^5581357056 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 5581357056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9562721280).

5581357056 is an abundant number, since it is smaller than the sum of its proper divisors (13544085504).

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

5581357056 is a wasteful number, since it uses less digits than its factorization.

5581357056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 45.

The square root of 5581357056 is about 74708.4804824727. The cubic root of 5581357056 is about 1773.8352001948.

The spelling of 5581357056 in words is "five billion, five hundred eighty-one million, three hundred fifty-seven thousand, fifty-six".