6555804 has 12 divisors (see below), whose sum is σ = 15296904. Its totient is φ = 2185264.

The previous prime is 6555803. The next prime is 6555821. The reversal of 6555804 is 4085556.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6555803) 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, 273147 + ... + 273170.

It is an arithmetic number, because the mean of its divisors is an integer number (1274742).

Almost surely, 2^6555804 is an apocalyptic number.

It is an amenable number.

6555804 is an abundant number, since it is smaller than the sum of its proper divisors (8741100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6555804 is a wasteful number, since it uses less digits than its factorization.

6555804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546324 (or 546322 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 6555804 is about 2560.4304325640. The cubic root of 6555804 is about 187.1581111987.

The spelling of 6555804 in words is "six million, five hundred fifty-five thousand, eight hundred four".