6655775 has 24 divisors (see below), whose sum is σ = 9579744. Its totient is φ = 4492800.

The previous prime is 6655769. The next prime is 6655801. The reversal of 6655775 is 5775566.

It is not a de Polignac number, because 6655775 - 2¹² = 6651679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12515 + ... + 13035.

It is an arithmetic number, because the mean of its divisors is an integer number (399156).

Almost surely, 2^6655775 is an apocalyptic number.

6655775 is a deficient number, since it is larger than the sum of its proper divisors (2923969).

6655775 is a wasteful number, since it uses less digits than its factorization.

6655775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 606 counting only the distinct ones).

The product of its digits is 220500, while the sum is 41.

The square root of 6655775 is about 2579.8788731256. The cubic root of 6655775 is about 188.1046554012.

The spelling of 6655775 in words is "six million, six hundred fifty-five thousand, seven hundred seventy-five".