50939784 has 96 divisors (see below), whose sum is σ = 160729920. Its totient is φ = 14272128.

The previous prime is 50939771. The next prime is 50939809. The reversal of 50939784 is 48793905.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25759 + ... + 27665.

It is an arithmetic number, because the mean of its divisors is an integer number (1674270).

Almost surely, 2^50939784 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 50939784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80364960).

50939784 is an abundant number, since it is smaller than the sum of its proper divisors (109790136).

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

50939784 is a wasteful number, since it uses less digits than its factorization.

50939784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979 (or 1972 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 50939784 is about 7137.2112200775. The cubic root of 50939784 is about 370.6969672853.

The spelling of 50939784 in words is "fifty million, nine hundred thirty-nine thousand, seven hundred eighty-four".