5561355829 has 4 divisors (see below), whose sum is σ = 5616418860. Its totient is φ = 5506292800.

The previous prime is 5561355827. The next prime is 5561355847. The reversal of 5561355829 is 9285531655.

5561355829 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2753415729 + 2807940100 = 52473^2 + 52990^2 .

It is a cyclic number.

It is not a de Polignac number, because 5561355829 - 2¹ = 5561355827 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561355827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27531364 + ... + 27531565.

It is an arithmetic number, because the mean of its divisors is an integer number (1404104715).

Almost surely, 2^5561355829 is an apocalyptic number.

It is an amenable number.

5561355829 is a deficient number, since it is larger than the sum of its proper divisors (55063031).

5561355829 is a wasteful number, since it uses less digits than its factorization.

5561355829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55063030.

The product of its digits is 1620000, while the sum is 49.

The square root of 5561355829 is about 74574.4985165841. The cubic root of 5561355829 is about 1771.7137719494.

The spelling of 5561355829 in words is "five billion, five hundred sixty-one million, three hundred fifty-five thousand, eight hundred twenty-nine".