6550393 has 8 divisors (see below), whose sum is σ = 6817536. Its totient is φ = 6286800.

The previous prime is 6550367. The next prime is 6550403. The reversal of 6550393 is 3930556.

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

It is not a de Polignac number, because 6550393 - 2⁵ = 6550361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6550303) 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, 3255 + ... + 4867.

It is an arithmetic number, because the mean of its divisors is an integer number (852192).

Almost surely, 2^6550393 is an apocalyptic number.

It is an amenable number.

6550393 is a deficient number, since it is larger than the sum of its proper divisors (267143).

6550393 is a wasteful number, since it uses less digits than its factorization.

6550393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775.

The product of its (nonzero) digits is 12150, while the sum is 31.

The square root of 6550393 is about 2559.3735561656. The cubic root of 6550393 is about 187.1066051190.

The spelling of 6550393 in words is "six million, five hundred fifty thousand, three hundred ninety-three".