5509688629 has 4 divisors (see below), whose sum is σ = 5513390380. Its totient is φ = 5505986880.

The previous prime is 5509688581. The next prime is 5509688633. The reversal of 5509688629 is 9268869055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9268869055 = 5 ⋅1853773811.

It can be written as a sum of positive squares in 2 ways, for example, as 1506216100 + 4003472529 = 38810^2 + 63273^2 .

It is a cyclic number.

It is not a de Polignac number, because 5509688629 - 2¹⁵ = 5509655861 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 (5509688699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1848642 + ... + 1851619.

It is an arithmetic number, because the mean of its divisors is an integer number (1378347595).

Almost surely, 2^5509688629 is an apocalyptic number.

It is an amenable number.

5509688629 is a deficient number, since it is larger than the sum of its proper divisors (3701751).

5509688629 is a wasteful number, since it uses less digits than its factorization.

5509688629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3701750.

The product of its (nonzero) digits is 9331200, while the sum is 58.

The square root of 5509688629 is about 74227.2768529198. The cubic root of 5509688629 is about 1766.2100516182.

The spelling of 5509688629 in words is "five billion, five hundred nine million, six hundred eighty-eight thousand, six hundred twenty-nine".