50143143 has 4 divisors (see below), whose sum is σ = 66857528. Its totient is φ = 33428760.

The previous prime is 50143139. The next prime is 50143153. The reversal of 50143143 is 34134105.

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

It is not a de Polignac number, because 50143143 - 2² = 50143139 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 (50143133) 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, 8357188 + ... + 8357193.

It is an arithmetic number, because the mean of its divisors is an integer number (16714382).

Almost surely, 2^50143143 is an apocalyptic number.

50143143 is a deficient number, since it is larger than the sum of its proper divisors (16714385).

50143143 is a wasteful number, since it uses less digits than its factorization.

50143143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16714384.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 50143143 is about 7081.1823165344. The cubic root of 50143143 is about 368.7543771194.

Adding to 50143143 its reverse (34134105), we get a palindrome (84277248).

The spelling of 50143143 in words is "fifty million, one hundred forty-three thousand, one hundred forty-three".