50778764 has 12 divisors (see below), whose sum is σ = 90189624. Its totient is φ = 25010304.

The previous prime is 50778709. The next prime is 50778817. The reversal of 50778764 is 46787705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94469 + ... + 95004.

It is an arithmetic number, because the mean of its divisors is an integer number (7515802).

Almost surely, 2^50778764 is an apocalyptic number.

It is an amenable number.

50778764 is a deficient number, since it is larger than the sum of its proper divisors (39410860).

50778764 is a wasteful number, since it uses less digits than its factorization.

50778764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189544 (or 189542 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 44.

The square root of 50778764 is about 7125.9219754359. The cubic root of 50778764 is about 370.3059655680.

The spelling of 50778764 in words is "fifty million, seven hundred seventy-eight thousand, seven hundred sixty-four".