5547987 has 16 divisors (see below), whose sum is σ = 8376480. Its totient is φ = 3627936.

The previous prime is 5547973. The next prime is 5548007. The reversal of 5547987 is 7897455.

5547987 is a `hidden beast` number, since 554 + 7 + 98 + 7 = 666.

It is not a de Polignac number, because 5547987 - 2⁶ = 5547923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5547187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508 + ... + 3369.

It is an arithmetic number, because the mean of its divisors is an integer number (523530).

Almost surely, 2^5547987 is an apocalyptic number.

5547987 is a deficient number, since it is larger than the sum of its proper divisors (2828493).

5547987 is a wasteful number, since it uses less digits than its factorization.

5547987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3939 (or 3933 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 5547987 is about 2355.4165236747. The cubic root of 5547987 is about 177.0292970752.

The spelling of 5547987 in words is "five million, five hundred forty-seven thousand, nine hundred eighty-seven".