3455550 has 72 divisors (see below), whose sum is σ = 10619856. Its totient is φ = 789120.

The previous prime is 3455533. The next prime is 3455561. The reversal of 3455550 is 555543.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2602 + ... + 3698.

It is an arithmetic number, because the mean of its divisors is an integer number (147498).

Almost surely, 2^3455550 is an apocalyptic number.

3455550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3455550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5309928).

3455550 is an abundant number, since it is smaller than the sum of its proper divisors (7164306).

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

3455550 is a wasteful number, since it uses less digits than its factorization.

3455550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 3455550 is about 1858.9109715099. The cubic root of 3455550 is about 151.1839636137.

It can be divided in two parts, 3455 and 550, that added together give a triangular number (4005 = T₈₉).

The spelling of 3455550 in words is "three million, four hundred fifty-five thousand, five hundred fifty".