6845550 has 48 divisors (see below), whose sum is σ = 17356032. Its totient is φ = 1784800.

The previous prime is 6845549. The next prime is 6845561. The reversal of 6845550 is 555486.

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, 6565 + ... + 7535.

It is an arithmetic number, because the mean of its divisors is an integer number (361584).

Almost surely, 2^6845550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6845550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8678016).

6845550 is an abundant number, since it is smaller than the sum of its proper divisors (10510482).

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

6845550 is a wasteful number, since it uses less digits than its factorization.

6845550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 6845550 is about 2616.4001987464. The cubic root of 6845550 is about 189.8757266752.

Subtracting from 6845550 its reverse (555486), we obtain a square (6290064 = 2508²).

The spelling of 6845550 in words is "six million, eight hundred forty-five thousand, five hundred fifty".