5509213161 has 32 divisors (see below), whose sum is σ = 7883546880. Its totient is φ = 3413228544.

The previous prime is 5509213141. The next prime is 5509213163. The reversal of 5509213161 is 1613129055.

It is not a de Polignac number, because 5509213161 - 2¹⁵ = 5509180393 is a prime.

It is a super-2 number, since 2×5509213161² = 60702859306671223842, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5509213163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2636205 + ... + 2638293.

It is an arithmetic number, because the mean of its divisors is an integer number (246360840).

Almost surely, 2^5509213161 is an apocalyptic number.

It is an amenable number.

5509213161 is a deficient number, since it is larger than the sum of its proper divisors (2374333719).

5509213161 is a wasteful number, since it uses less digits than its factorization.

5509213161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3185.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 5509213161 is about 74224.0739989392. The cubic root of 5509213161 is about 1766.1592441180.

The spelling of 5509213161 in words is "five billion, five hundred nine million, two hundred thirteen thousand, one hundred sixty-one".