5509387 has 16 divisors (see below), whose sum is σ = 6193152. Its totient is φ = 4868640.

The previous prime is 5509379. The next prime is 5509393. The reversal of 5509387 is 7839055.

It is a cyclic number.

It is not a de Polignac number, because 5509387 - 2³ = 5509379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5509307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43318 + ... + 43444.

It is an arithmetic number, because the mean of its divisors is an integer number (387072).

Almost surely, 2^5509387 is an apocalyptic number.

5509387 is a deficient number, since it is larger than the sum of its proper divisors (683765).

5509387 is a wasteful number, since it uses less digits than its factorization.

5509387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 5509387 is about 2347.2083418393. The cubic root of 5509387 is about 176.6177820523.

The spelling of 5509387 in words is "five million, five hundred nine thousand, three hundred eighty-seven".