5508729 has 20 divisors (see below), whose sum is σ = 8409984. Its totient is φ = 3591864.

The previous prime is 5508721. The next prime is 5508733. The reversal of 5508729 is 9278055.

5508729 is a `hidden beast` number, since 550 + 87 + 29 = 666.

It is not a de Polignac number, because 5508729 - 2³ = 5508721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5508693 and 5508702.

It is not an unprimeable number, because it can be changed into a prime (5508721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3084 + ... + 4530.

Almost surely, 2^5508729 is an apocalyptic number.

It is an amenable number.

5508729 is a deficient number, since it is larger than the sum of its proper divisors (2901255).

5508729 is a wasteful number, since it uses less digits than its factorization.

5508729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506 (or 1497 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 5508729 is about 2347.0681711446. The cubic root of 5508729 is about 176.6107504698.

The spelling of 5508729 in words is "five million, five hundred eight thousand, seven hundred twenty-nine".