50778312 has 32 divisors (see below), whose sum is σ = 136711680. Its totient is φ = 15624000.

The previous prime is 50778307. The next prime is 50778331. The reversal of 50778312 is 21387705.

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, 81064 + ... + 81687.

It is an arithmetic number, because the mean of its divisors is an integer number (4272240).

Almost surely, 2^50778312 is an apocalyptic number.

50778312 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

50778312 is an abundant number, since it is smaller than the sum of its proper divisors (85933368).

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

50778312 is a wasteful number, since it uses less digits than its factorization.

50778312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162773 (or 162769 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 50778312 is about 7125.8902601710. The cubic root of 50778312 is about 370.3048668227.

The spelling of 50778312 in words is "fifty million, seven hundred seventy-eight thousand, three hundred twelve".