50861328 has 160 divisors (see below), whose sum is σ = 163799040. Its totient is φ = 13271040.

The previous prime is 50861323. The next prime is 50861357. The reversal of 50861328 is 82316805.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (50861323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197776 + ... + 198032.

It is an arithmetic number, because the mean of its divisors is an integer number (1023744).

Almost surely, 2^50861328 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 50861328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81899520).

50861328 is an abundant number, since it is smaller than the sum of its proper divisors (112937712).

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

50861328 is a wasteful number, since it uses less digits than its factorization.

50861328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 50861328 is about 7131.7128377410. The cubic root of 50861328 is about 370.5065572043.

The spelling of 50861328 in words is "fifty million, eight hundred sixty-one thousand, three hundred twenty-eight".