5561728342 has 16 divisors (see below), whose sum is σ = 8477021952. Its totient is φ = 2736211240.

The previous prime is 5561728339. The next prime is 5561728343. The reversal of 5561728342 is 2438271655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561728343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32493 + ... + 110359.

It is an arithmetic number, because the mean of its divisors is an integer number (529813872).

Almost surely, 2^5561728342 is an apocalyptic number.

5561728342 is a deficient number, since it is larger than the sum of its proper divisors (2915293610).

5561728342 is a wasteful number, since it uses less digits than its factorization.

5561728342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78443.

The product of its digits is 403200, while the sum is 43.

The square root of 5561728342 is about 74576.9960644702. The cubic root of 5561728342 is about 1771.7533289506.

Adding to 5561728342 its reverse (2438271655), we get a palindrome (7999999997).

The spelling of 5561728342 in words is "five billion, five hundred sixty-one million, seven hundred twenty-eight thousand, three hundred forty-two".