5581457712 has 160 divisors (see below), whose sum is σ = 16311456000. Its totient is φ = 1827048960.

The previous prime is 5581457701. The next prime is 5581457729. The reversal of 5581457712 is 2177541855.

5581457712 is a `hidden beast` number, since 5 + 58 + 14 + 577 + 12 = 666.

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, 6881787 + ... + 6882597.

It is an arithmetic number, because the mean of its divisors is an integer number (101946600).

Almost surely, 2^5581457712 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 5581457712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8155728000).

5581457712 is an abundant number, since it is smaller than the sum of its proper divisors (10729998288).

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

5581457712 is a wasteful number, since it uses less digits than its factorization.

5581457712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1084 counting only the distinct ones).

The product of its digits is 392000, while the sum is 45.

The square root of 5581457712 is about 74709.1541378966. The cubic root of 5581457712 is about 1773.8458634367.

It can be divided in two parts, 55814 and 57712, that added together give a triangular number (113526 = T₄₇₆).

The spelling of 5581457712 in words is "five billion, five hundred eighty-one million, four hundred fifty-seven thousand, seven hundred twelve".