5681171572 has 12 divisors (see below), whose sum is σ = 10284879780. Its totient is φ = 2742634496.

The previous prime is 5681171533. The next prime is 5681171591. The reversal of 5681171572 is 2751711865.

It can be written as a sum of positive squares in 2 ways, for example, as 891977956 + 4789193616 = 29866^2 + 69204^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24487693 + ... + 24487924.

It is an arithmetic number, because the mean of its divisors is an integer number (857073315).

Almost surely, 2^5681171572 is an apocalyptic number.

It is an amenable number.

5681171572 is a deficient number, since it is larger than the sum of its proper divisors (4603708208).

5681171572 is a wasteful number, since it uses less digits than its factorization.

5681171572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48975650 (or 48975648 counting only the distinct ones).

The product of its digits is 117600, while the sum is 43.

The square root of 5681171572 is about 75373.5468980995. The cubic root of 5681171572 is about 1784.3469454162.

The spelling of 5681171572 in words is "five billion, six hundred eighty-one million, one hundred seventy-one thousand, five hundred seventy-two".