5681558652 has 96 divisors (see below), whose sum is σ = 16541919744. Its totient is φ = 1474502400.

The previous prime is 5681558639. The next prime is 5681558671. The reversal of 5681558652 is 2568551865.

It is a super-2 number, since 2×5681558652² = 64560217432232114208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5681558595 and 5681558604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1784502 + ... + 1787682.

It is an arithmetic number, because the mean of its divisors is an integer number (172311664).

Almost surely, 2^5681558652 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 5681558652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8270959872).

5681558652 is an abundant number, since it is smaller than the sum of its proper divisors (10860361092).

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

5681558652 is a wasteful number, since it uses less digits than its factorization.

5681558652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5139 (or 5137 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 51.

The square root of 5681558652 is about 75376.1145987242. The cubic root of 5681558652 is about 1784.3874692953.

The spelling of 5681558652 in words is "five billion, six hundred eighty-one million, five hundred fifty-eight thousand, six hundred fifty-two".