6555538 has 24 divisors (see below), whose sum is σ = 10954944. Its totient is φ = 2939640.

The previous prime is 6555503. The next prime is 6555541. The reversal of 6555538 is 8355556.

It is a junction number, because it is equal to n+sod(n) for n = 6555497 and 6555506.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24795 + ... + 25057.

It is an arithmetic number, because the mean of its divisors is an integer number (456456).

Almost surely, 2^6555538 is an apocalyptic number.

6555538 is a deficient number, since it is larger than the sum of its proper divisors (4399406).

6555538 is a wasteful number, since it uses less digits than its factorization.

6555538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 379 counting only the distinct ones).

The product of its digits is 90000, while the sum is 37.

The square root of 6555538 is about 2560.3784876459. The cubic root of 6555538 is about 187.1555798677.

The spelling of 6555538 in words is "six million, five hundred fifty-five thousand, five hundred thirty-eight".