5509988 has 24 divisors (see below), whose sum is σ = 10635744. Its totient is φ = 2476800.

The previous prime is 5509979. The next prime is 5509997. The reversal of 5509988 is 8899055.

It is an interprime number because it is at equal distance from previous prime (5509979) and next prime (5509997).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3623 + ... + 4913.

It is an arithmetic number, because the mean of its divisors is an integer number (443156).

Almost surely, 2^5509988 is an apocalyptic number.

It is an amenable number.

5509988 is a deficient number, since it is larger than the sum of its proper divisors (5125756).

5509988 is a wasteful number, since it uses less digits than its factorization.

5509988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403 (or 1401 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 44.

The square root of 5509988 is about 2347.3363627738. The cubic root of 5509988 is about 176.6242040268.

The spelling of 5509988 in words is "five million, five hundred nine thousand, nine hundred eighty-eight".