6552639 has 12 divisors (see below), whose sum is σ = 9502272. Its totient is φ = 4351200.

The previous prime is 6552629. The next prime is 6552647. The reversal of 6552639 is 9362556.

6552639 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6552639 - 2¹⁵ = 6519871 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6552619) 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, 1234 + ... + 3824.

It is an arithmetic number, because the mean of its divisors is an integer number (791856).

Almost surely, 2^6552639 is an apocalyptic number.

6552639 is a deficient number, since it is larger than the sum of its proper divisors (2949633).

6552639 is a wasteful number, since it uses less digits than its factorization.

6552639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878 (or 2875 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 6552639 is about 2559.8122978062. The cubic root of 6552639 is about 187.1279877248.

The spelling of 6552639 in words is "six million, five hundred fifty-two thousand, six hundred thirty-nine".