50774778 has 12 divisors (see below), whose sum is σ = 110012058. Its totient is φ = 16924920.

The previous prime is 50774771. The next prime is 50774809. The reversal of 50774778 is 87747705.

It is a happy number.

50774778 is a `hidden beast` number, since 507 + 74 + 7 + 78 = 666.

50774778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 33907329 + 16867449 = 5823^2 + 4107^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50774771) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1410393 + ... + 1410428.

Almost surely, 2^50774778 is an apocalyptic number.

50774778 is an abundant number, since it is smaller than the sum of its proper divisors (59237280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50774778 is a wasteful number, since it uses less digits than its factorization.

50774778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820829 (or 2820826 counting only the distinct ones).

The product of its (nonzero) digits is 384160, while the sum is 45.

The square root of 50774778 is about 7125.6422868398. The cubic root of 50774778 is about 370.2962759650.

The spelling of 50774778 in words is "fifty million, seven hundred seventy-four thousand, seven hundred seventy-eight".