3550143 has 4 divisors (see below), whose sum is σ = 4733528. Its totient is φ = 2366760.

The previous prime is 3550111. The next prime is 3550163. The reversal of 3550143 is 3410553.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3550143 - 2⁵ = 3550111 is a prime.

It is a D-number.

It is a Duffinian number.

3550143 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3550163) 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, 591688 + ... + 591693.

It is an arithmetic number, because the mean of its divisors is an integer number (1183382).

Almost surely, 2^3550143 is an apocalyptic number.

3550143 is a deficient number, since it is larger than the sum of its proper divisors (1183385).

3550143 is a wasteful number, since it uses less digits than its factorization.

3550143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183384.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 3550143 is about 1884.1823160193. The cubic root of 3550143 is about 152.5510784734.

Adding to 3550143 its reverse (3410553), we get a palindrome (6960696).

The spelling of 3550143 in words is "three million, five hundred fifty thousand, one hundred forty-three".