6552538 has 12 divisors (see below), whose sum is σ = 10079550. Its totient is φ = 3194720.

The previous prime is 6552529. The next prime is 6552541. The reversal of 6552538 is 8352556.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3229209 + 3323329 = 1797^2 + 1823^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2388 + ... + 4336.

Almost surely, 2^6552538 is an apocalyptic number.

6552538 is a deficient number, since it is larger than the sum of its proper divisors (3527012).

6552538 is a wasteful number, since it uses less digits than its factorization.

6552538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033 (or 1992 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 6552538 is about 2559.7925697212. The cubic root of 6552538 is about 187.1270262789.

The spelling of 6552538 in words is "six million, five hundred fifty-two thousand, five hundred thirty-eight".