5515839 has 12 divisors (see below), whose sum is σ = 9105616. Its totient is φ = 3151872.

The previous prime is 5515823. The next prime is 5515841. The reversal of 5515839 is 9385155.

It is a happy number.

5515839 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5515839 - 2⁴ = 5515823 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 (5515819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43714 + ... + 43839.

Almost surely, 2^5515839 is an apocalyptic number.

5515839 is a deficient number, since it is larger than the sum of its proper divisors (3589777).

5515839 is a wasteful number, since it uses less digits than its factorization.

5515839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87566 (or 87563 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The square root of 5515839 is about 2348.5823383480. The cubic root of 5515839 is about 176.6867003902.

The spelling of 5515839 in words is "five million, five hundred fifteen thousand, eight hundred thirty-nine".