6555790 has 8 divisors (see below), whose sum is σ = 11800440. Its totient is φ = 2622312.

The previous prime is 6555781. The next prime is 6555797. The reversal of 6555790 is 975556.

6555790 = 563² + 564² + ... + 582².

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6555797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327780 + ... + 327799.

It is an arithmetic number, because the mean of its divisors is an integer number (1475055).

Almost surely, 2^6555790 is an apocalyptic number.

6555790 is a deficient number, since it is larger than the sum of its proper divisors (5244650).

6555790 is a wasteful number, since it uses less digits than its factorization.

6555790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655586.

The product of its (nonzero) digits is 47250, while the sum is 37.

The square root of 6555790 is about 2560.4276986472. The cubic root of 6555790 is about 187.1579779725.

It can be divided in two parts, 65 and 55790, that added together give a palindrome (55855).

The spelling of 6555790 in words is "six million, five hundred fifty-five thousand, seven hundred ninety".