50550143 has 4 divisors (see below), whose sum is σ = 57771600. Its totient is φ = 43328688.

The previous prime is 50550139. The next prime is 50550169. The reversal of 50550143 is 34105505.

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 50550143 - 2² = 50550139 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 (50550133) 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, 3610718 + ... + 3610731.

It is an arithmetic number, because the mean of its divisors is an integer number (14442900).

Almost surely, 2^50550143 is an apocalyptic number.

50550143 is a deficient number, since it is larger than the sum of its proper divisors (7221457).

50550143 is an equidigital number, since it uses as much as digits as its factorization.

50550143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7221456.

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

The square root of 50550143 is about 7109.8623756019. The cubic root of 50550143 is about 369.7493871444.

Adding to 50550143 its reverse (34105505), we get a palindrome (84655648).

The spelling of 50550143 in words is "fifty million, five hundred fifty thousand, one hundred forty-three".