3550855 has 32 divisors (see below), whose sum is σ = 5557248. Its totient is φ = 2112000.

The previous prime is 3550843. The next prime is 3550861. The reversal of 3550855 is 5580553.

It is not a de Polignac number, because 3550855 - 2⁷ = 3550727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8655 + ... + 9055.

It is an arithmetic number, because the mean of its divisors is an integer number (173664).

Almost surely, 2^3550855 is an apocalyptic number.

3550855 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3550855 is a deficient number, since it is larger than the sum of its proper divisors (2006393).

3550855 is a wasteful number, since it uses less digits than its factorization.

3550855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 3550855 is about 1884.3712479233. The cubic root of 3550855 is about 152.5612761009.

The spelling of 3550855 in words is "three million, five hundred fifty thousand, eight hundred fifty-five".