5561355837 has 16 divisors (see below), whose sum is σ = 7535183360. Its totient is φ = 3647687472.

The previous prime is 5561355827. The next prime is 5561355847. The reversal of 5561355837 is 7385531655.

It is an interprime number because it is at equal distance from previous prime (5561355827) and next prime (5561355847).

It is not a de Polignac number, because 5561355837 - 2²⁷ = 5427138109 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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148614 + ... + 182232.

It is an arithmetic number, because the mean of its divisors is an integer number (470948960).

Almost surely, 2^5561355837 is an apocalyptic number.

It is an amenable number.

5561355837 is a deficient number, since it is larger than the sum of its proper divisors (1973827523).

5561355837 is a wasteful number, since it uses less digits than its factorization.

5561355837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34512.

The product of its digits is 1890000, while the sum is 48.

The square root of 5561355837 is about 74574.4985702217. The cubic root of 5561355837 is about 1771.7137727989.

The spelling of 5561355837 in words is "five billion, five hundred sixty-one million, three hundred fifty-five thousand, eight hundred thirty-seven".