6555000 has 160 divisors (see below), whose sum is σ = 22492800. Its totient is φ = 1584000.

The previous prime is 6554983. The next prime is 6555007. The reversal of 6555000 is 5556.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6555007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 284989 + ... + 285011.

It is an arithmetic number, because the mean of its divisors is an integer number (140580).

Almost surely, 2^6555000 is an apocalyptic number.

6555000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6555000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11246400).

6555000 is an abundant number, since it is smaller than the sum of its proper divisors (15937800).

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

6555000 is a wasteful number, since it uses less digits than its factorization.

6555000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 6555000 is about 2560.2734228984. The cubic root of 6555000 is about 187.1504598985.

The spelling of 6555000 in words is "six million, five hundred fifty-five thousand".