50778286 has 16 divisors (see below), whose sum is σ = 86852304. Its totient is φ = 22057344.

The previous prime is 50778271. The next prime is 50778307. The reversal of 50778286 is 68287705.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57000 + ... + 57883.

It is an arithmetic number, because the mean of its divisors is an integer number (5428269).

Almost surely, 2^50778286 is an apocalyptic number.

50778286 is a deficient number, since it is larger than the sum of its proper divisors (36074018).

50778286 is a wasteful number, since it uses less digits than its factorization.

50778286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114915.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 50778286 is about 7125.8884358373. Note that the first 3 decimals coincide. The cubic root of 50778286 is about 370.3048036203.

The spelling of 50778286 in words is "fifty million, seven hundred seventy-eight thousand, two hundred eighty-six".