50782776 has 64 divisors (see below), whose sum is σ = 139536000. Its totient is φ = 15273600.

The previous prime is 50782769. The next prime is 50782789. The reversal of 50782776 is 67728705.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38691 + ... + 39981.

It is an arithmetic number, because the mean of its divisors is an integer number (2180250).

Almost surely, 2^50782776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50782776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69768000).

50782776 is an abundant number, since it is smaller than the sum of its proper divisors (88753224).

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

50782776 is a wasteful number, since it uses less digits than its factorization.

50782776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460 (or 1456 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 42.

The square root of 50782776 is about 7126.2034773082. The cubic root of 50782776 is about 370.3157178627.

The spelling of 50782776 in words is "fifty million, seven hundred eighty-two thousand, seven hundred seventy-six".