5530639 has 4 divisors (see below), whose sum is σ = 5566024. Its totient is φ = 5495256.

The previous prime is 5530621. The next prime is 5530663. The reversal of 5530639 is 9360355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5530639 - 2¹⁵ = 5497871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5530639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5530339) 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, 17457 + ... + 17770.

It is an arithmetic number, because the mean of its divisors is an integer number (1391506).

Almost surely, 2^5530639 is an apocalyptic number.

5530639 is a deficient number, since it is larger than the sum of its proper divisors (35385).

5530639 is a wasteful number, since it uses less digits than its factorization.

5530639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35384.

The product of its (nonzero) digits is 12150, while the sum is 31.

The square root of 5530639 is about 2351.7310645565. The cubic root of 5530639 is about 176.8445867872.

The spelling of 5530639 in words is "five million, five hundred thirty thousand, six hundred thirty-nine".