6551790 has 48 divisors (see below), whose sum is σ = 18295632. Its totient is φ = 1497216.

The previous prime is 6551747. The next prime is 6551791. The reversal of 6551790 is 971556.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6551791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 759 + ... + 3698.

It is an arithmetic number, because the mean of its divisors is an integer number (381159).

Almost surely, 2^6551790 is an apocalyptic number.

6551790 is an abundant number, since it is smaller than the sum of its proper divisors (11743842).

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

6551790 is a wasteful number, since it uses less digits than its factorization.

6551790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4481 (or 4474 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 6551790 is about 2559.6464599628. The cubic root of 6551790 is about 187.1199055600.

The spelling of 6551790 in words is "six million, five hundred fifty-one thousand, seven hundred ninety".