6552638 has 4 divisors (see below), whose sum is σ = 9828960. Its totient is φ = 3276318.

The previous prime is 6552629. The next prime is 6552647. The reversal of 6552638 is 8362556.

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

It is an interprime number because it is at equal distance from previous prime (6552629) and next prime (6552647).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6552598 and 6552607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1638158 + ... + 1638161.

It is an arithmetic number, because the mean of its divisors is an integer number (2457240).

Almost surely, 2^6552638 is an apocalyptic number.

6552638 is a deficient number, since it is larger than the sum of its proper divisors (3276322).

6552638 is a wasteful number, since it uses less digits than its factorization.

6552638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276321.

The product of its digits is 43200, while the sum is 35.

The square root of 6552638 is about 2559.8121024794. The cubic root of 6552638 is about 187.1279782056.

The spelling of 6552638 in words is "six million, five hundred fifty-two thousand, six hundred thirty-eight".