5507641809 has 12 divisors (see below), whose sum is σ = 8025886596. Its totient is φ = 3639267072.

The previous prime is 5507641787. The next prime is 5507641817. The reversal of 5507641809 is 9081467055.

5507641809 is a `hidden beast` number, since 5 + 507 + 64 + 1 + 80 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1776875409 + 3730766400 = 42153^2 + 61080^2 .

It is not a de Polignac number, because 5507641809 - 2¹⁷ = 5507510737 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5507641819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2706772 + ... + 2708805.

It is an arithmetic number, because the mean of its divisors is an integer number (668823883).

Almost surely, 2^5507641809 is an apocalyptic number.

It is an amenable number.

5507641809 is a deficient number, since it is larger than the sum of its proper divisors (2518244787).

5507641809 is a wasteful number, since it uses less digits than its factorization.

5507641809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5415696 (or 5415693 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 5507641809 is about 74213.4880530487. The cubic root of 5507641809 is about 1765.9913119847.

The spelling of 5507641809 in words is "five billion, five hundred seven million, six hundred forty-one thousand, eight hundred nine".