50857943 has 4 divisors (see below), whose sum is σ = 52232520. Its totient is φ = 49483368.

The previous prime is 50857921. The next prime is 50857951. The reversal of 50857943 is 34975805.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34975805 = 5 ⋅6995161.

It is a cyclic number.

It is not a de Polignac number, because 50857943 - 2⁶ = 50857879 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 50857943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50857903) 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, 687233 + ... + 687306.

It is an arithmetic number, because the mean of its divisors is an integer number (13058130).

Almost surely, 2^50857943 is an apocalyptic number.

50857943 is a deficient number, since it is larger than the sum of its proper divisors (1374577).

50857943 is a wasteful number, since it uses less digits than its factorization.

50857943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374576.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 50857943 is about 7131.4755135245. The cubic root of 50857943 is about 370.4983375177.

The spelling of 50857943 in words is "fifty million, eight hundred fifty-seven thousand, nine hundred forty-three".