50131243 has 4 divisors (see below), whose sum is σ = 50309928. Its totient is φ = 49952560.

The previous prime is 50131241. The next prime is 50131259. The reversal of 50131243 is 34213105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34213105 = 5 ⋅6842621.

It is a cyclic number.

It is not a de Polignac number, because 50131243 - 2¹ = 50131241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50131243.

It is not an unprimeable number, because it can be changed into a prime (50131241) 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, 88921 + ... + 89482.

It is an arithmetic number, because the mean of its divisors is an integer number (12577482).

Almost surely, 2^50131243 is an apocalyptic number.

50131243 is a deficient number, since it is larger than the sum of its proper divisors (178685).

50131243 is a wasteful number, since it uses less digits than its factorization.

50131243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178684.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 50131243 is about 7080.3420115133. The cubic root of 50131243 is about 368.7252038100.

Adding to 50131243 its reverse (34213105), we get a palindrome (84344348).

The spelling of 50131243 in words is "fifty million, one hundred thirty-one thousand, two hundred forty-three".