50878093951 has 4 divisors (see below), whose sum is σ = 51278708992. Its totient is φ = 50477478912.

The previous prime is 50878093933. The next prime is 50878093991. The reversal of 50878093951 is 15939087805.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15939087805 = 5 ⋅3187817561.

It is a cyclic number.

It is not a de Polignac number, because 50878093951 - 2¹¹ = 50878091903 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50878093892 and 50878093901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50878093991) 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, 200307330 + ... + 200307583.

It is an arithmetic number, because the mean of its divisors is an integer number (12819677248).

Almost surely, 2^50878093951 is an apocalyptic number.

50878093951 is a deficient number, since it is larger than the sum of its proper divisors (400615041).

50878093951 is a wasteful number, since it uses less digits than its factorization.

50878093951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400615040.

The product of its (nonzero) digits is 2721600, while the sum is 55.

The spelling of 50878093951 in words is "fifty billion, eight hundred seventy-eight million, ninety-three thousand, nine hundred fifty-one".