5447887 has 4 divisors (see below), whose sum is σ = 5484600. Its totient is φ = 5411176.

The previous prime is 5447879. The next prime is 5447899. The reversal of 5447887 is 7887445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7887445 = 5 ⋅1577489.

It is a cyclic number.

It is not a de Polignac number, because 5447887 - 2³ = 5447879 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 (5447807) 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, 18133 + ... + 18430.

It is an arithmetic number, because the mean of its divisors is an integer number (1371150).

Almost surely, 2^5447887 is an apocalyptic number.

5447887 is a deficient number, since it is larger than the sum of its proper divisors (36713).

5447887 is a wasteful number, since it uses less digits than its factorization.

5447887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36712.

The product of its digits is 250880, while the sum is 43.

The square root of 5447887 is about 2334.0709072348. The cubic root of 5447887 is about 175.9581404410.

The spelling of 5447887 in words is "five million, four hundred forty-seven thousand, eight hundred eighty-seven".