50778968 has 8 divisors (see below), whose sum is σ = 95210580. Its totient is φ = 25389480.

The previous prime is 50778953. The next prime is 50778977. The reversal of 50778968 is 86987705.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×50778968² = 5157007182290048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3173678 + ... + 3173693.

Almost surely, 2^50778968 is an apocalyptic number.

It is an amenable number.

50778968 is a deficient number, since it is larger than the sum of its proper divisors (44431612).

50778968 is a wasteful number, since it uses less digits than its factorization.

50778968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6347377 (or 6347373 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 50.

The square root of 50778968 is about 7125.9362893588. The cubic root of 50778968 is about 370.3064614598.

The spelling of 50778968 in words is "fifty million, seven hundred seventy-eight thousand, nine hundred sixty-eight".