5550143 has 4 divisors (see below), whose sum is σ = 5876640. Its totient is φ = 5223648.

The previous prime is 5550137. The next prime is 5550151. The reversal of 5550143 is 3410555.

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

It is a cyclic number.

It is not a de Polignac number, because 5550143 - 2¹⁰ = 5549119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550113) 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, 163223 + ... + 163256.

It is an arithmetic number, because the mean of its divisors is an integer number (1469160).

Almost surely, 2^5550143 is an apocalyptic number.

5550143 is a deficient number, since it is larger than the sum of its proper divisors (326497).

5550143 is a wasteful number, since it uses less digits than its factorization.

5550143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326496.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 5550143 is about 2355.8741477422. The cubic root of 5550143 is about 177.0522258561.

Adding to 5550143 its reverse (3410555), we get a palindrome (8960698).

The spelling of 5550143 in words is "five million, five hundred fifty thousand, one hundred forty-three".