5515847 has 4 divisors (see below), whose sum is σ = 5522280. Its totient is φ = 5509416.

The previous prime is 5515841. The next prime is 5515877. The reversal of 5515847 is 7485155.

5515847 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7485155 = 5 ⋅1497031.

It is a cyclic number.

It is not a de Polignac number, because 5515847 - 2¹⁰ = 5514823 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 (5515841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688 + ... + 3725.

It is an arithmetic number, because the mean of its divisors is an integer number (1380570).

Almost surely, 2^5515847 is an apocalyptic number.

5515847 is a deficient number, since it is larger than the sum of its proper divisors (6433).

5515847 is a wasteful number, since it uses less digits than its factorization.

5515847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6432.

The product of its digits is 28000, while the sum is 35.

The square root of 5515847 is about 2348.5840415025. The cubic root of 5515847 is about 176.6867858104.

The spelling of 5515847 in words is "five million, five hundred fifteen thousand, eight hundred forty-seven".