50403863 has 4 divisors (see below), whose sum is σ = 50539368. Its totient is φ = 50268360.

The previous prime is 50403851. The next prime is 50403893. The reversal of 50403863 is 36830405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36830405 = 5 ⋅7366081.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50403863 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 (50403803) 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, 67193 + ... + 67938.

It is an arithmetic number, because the mean of its divisors is an integer number (12634842).

Almost surely, 2^50403863 is an apocalyptic number.

50403863 is a deficient number, since it is larger than the sum of its proper divisors (135505).

50403863 is a wasteful number, since it uses less digits than its factorization.

50403863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135504.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 50403863 is about 7099.5678037469. The cubic root of 50403863 is about 369.3923871920.

The spelling of 50403863 in words is "fifty million, four hundred three thousand, eight hundred sixty-three".