50777216 has 32 divisors (see below), whose sum is σ = 115610880. Its totient is φ = 21761280.

The previous prime is 50777213. The next prime is 50777227. The reversal of 50777216 is 61277705.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (50777213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27440 + ... + 29231.

It is an arithmetic number, because the mean of its divisors is an integer number (3612840).

Almost surely, 2^50777216 is an apocalyptic number.

50777216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

50777216 is an abundant number, since it is smaller than the sum of its proper divisors (64833664).

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

50777216 is an equidigital number, since it uses as much as digits as its factorization.

50777216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56692 (or 56680 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 50777216 is about 7125.8133570842. The cubic root of 50777216 is about 370.3022025812.

The spelling of 50777216 in words is "fifty million, seven hundred seventy-seven thousand, two hundred sixteen".