6655500 has 192 divisors, whose sum is σ = 23587200. Its totient is φ = 1612800.

The previous prime is 6655423. The next prime is 6655531. The reversal of 6655500 is 55566.

6655500 is a `hidden beast` number, since 6 + 655 + 5 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 229486 + ... + 229514.

It is an arithmetic number, because the mean of its divisors is an integer number (122850).

Almost surely, 2^6655500 is an apocalyptic number.

6655500 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 6655500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11793600).

6655500 is an abundant number, since it is smaller than the sum of its proper divisors (16931700).

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

6655500 is a wasteful number, since it uses less digits than its factorization.

6655500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 6655500 is about 2579.8255754992. The cubic root of 6655500 is about 188.1020646940.

The spelling of 6655500 in words is "six million, six hundred fifty-five thousand, five hundred".