50872143 has 24 divisors (see below), whose sum is σ = 83549232. Its totient is φ = 27358464.

The previous prime is 50872141. The next prime is 50872163. The reversal of 50872143 is 34127805.

It is not a de Polignac number, because 50872143 - 2¹ = 50872141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50872143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50872141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7680 + ... + 12677.

It is an arithmetic number, because the mean of its divisors is an integer number (3481218).

Almost surely, 2^50872143 is an apocalyptic number.

50872143 is a deficient number, since it is larger than the sum of its proper divisors (32677089).

50872143 is a wasteful number, since it uses less digits than its factorization.

50872143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20391 (or 20384 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 50872143 is about 7132.4710304354. The cubic root of 50872143 is about 370.5328164769.

Adding to 50872143 its reverse (34127805), we get a palindrome (84999948).

It can be divided in two parts, 50872 and 143, that added together give a palindrome (51015).

The spelling of 50872143 in words is "fifty million, eight hundred seventy-two thousand, one hundred forty-three".