6550985 has 8 divisors (see below), whose sum is σ = 8984256. Its totient is φ = 4492080.

The previous prime is 6550981. The next prime is 6551011. The reversal of 6550985 is 5890556.

6550985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6550985 - 2² = 6550981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6550981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93551 + ... + 93620.

It is an arithmetic number, because the mean of its divisors is an integer number (1123032).

Almost surely, 2^6550985 is an apocalyptic number.

It is an amenable number.

6550985 is a deficient number, since it is larger than the sum of its proper divisors (2433271).

6550985 is a wasteful number, since it uses less digits than its factorization.

6550985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187183.

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 6550985 is about 2559.4892068536. The cubic root of 6550985 is about 187.1122416141.

It can be divided in two parts, 65 and 50985, that multiplied together give a triangular number (3314025 = T₂₅₇₄).

The spelling of 6550985 in words is "six million, five hundred fifty thousand, nine hundred eighty-five".