50778895 has 4 divisors (see below), whose sum is σ = 60934680. Its totient is φ = 40623112.

The previous prime is 50778877. The next prime is 50778919. The reversal of 50778895 is 59887705.

50778895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59887705 = 5 ⋅11977541.

It is a cyclic number.

It is not a de Polignac number, because 50778895 - 2⁵ = 50778863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5077885 + ... + 5077894.

It is an arithmetic number, because the mean of its divisors is an integer number (15233670).

Almost surely, 2^50778895 is an apocalyptic number.

50778895 is a deficient number, since it is larger than the sum of its proper divisors (10155785).

50778895 is a wasteful number, since it uses less digits than its factorization.

50778895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10155784.

The product of its (nonzero) digits is 705600, while the sum is 49.

The square root of 50778895 is about 7125.9311672230. The cubic root of 50778895 is about 370.3062840085.

The spelling of 50778895 in words is "fifty million, seven hundred seventy-eight thousand, eight hundred ninety-five".