50279978 has 24 divisors (see below), whose sum is σ = 91552032. Its totient is φ = 20610744.

The previous prime is 50279969. The next prime is 50279993. The reversal of 50279978 is 87997205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8900 + ... + 13407.

It is an arithmetic number, because the mean of its divisors is an integer number (3814668).

Almost surely, 2^50279978 is an apocalyptic number.

50279978 is a deficient number, since it is larger than the sum of its proper divisors (41272054).

50279978 is a wasteful number, since it uses less digits than its factorization.

50279978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22346 (or 22339 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 50279978 is about 7090.8376091968. The cubic root of 50279978 is about 369.0895022106.

The spelling of 50279978 in words is "fifty million, two hundred seventy-nine thousand, nine hundred seventy-eight".