50502143 has 4 divisors (see below), whose sum is σ = 50574888. Its totient is φ = 50429400.

The previous prime is 50502139. The next prime is 50502149. The reversal of 50502143 is 34120505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34120505 = 5 ⋅6824101.

It is a cyclic number.

It is not a de Polignac number, because 50502143 - 2² = 50502139 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 (50502149) 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, 35321 + ... + 36722.

It is an arithmetic number, because the mean of its divisors is an integer number (12643722).

Almost surely, 2^50502143 is an apocalyptic number.

50502143 is a deficient number, since it is larger than the sum of its proper divisors (72745).

50502143 is an equidigital number, since it uses as much as digits as its factorization.

50502143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72744.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 50502143 is about 7106.4859811302. The cubic root of 50502143 is about 369.6323179662.

Adding to 50502143 its reverse (34120505), we get a palindrome (84622648).

The spelling of 50502143 in words is "fifty million, five hundred two thousand, one hundred forty-three".