5506987 has 4 divisors (see below), whose sum is σ = 5513536. Its totient is φ = 5500440.

The previous prime is 5506961. The next prime is 5506999. The reversal of 5506987 is 7896055.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5506987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5506937) 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 3 ways as a sum of consecutive naturals, for example, 1788 + ... + 3769.

It is an arithmetic number, because the mean of its divisors is an integer number (1378384).

Almost surely, 2^5506987 is an apocalyptic number.

5506987 is a deficient number, since it is larger than the sum of its proper divisors (6549).

5506987 is an equidigital number, since it uses as much as digits as its factorization.

5506987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6548.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 5506987 is about 2346.6970405231. The cubic root of 5506987 is about 176.5921322391.

The spelling of 5506987 in words is "five million, five hundred six thousand, nine hundred eighty-seven".