50631328 has 48 divisors (see below), whose sum is σ = 110115936. Its totient is φ = 22723840.

The previous prime is 50631323. The next prime is 50631331. The reversal of 50631328 is 82313605.

It is a junction number, because it is equal to n+sod(n) for n = 50631296 and 50631305.

It is not an unprimeable number, because it can be changed into a prime (50631323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28350 + ... + 30082.

It is an arithmetic number, because the mean of its divisors is an integer number (2294082).

Almost surely, 2^50631328 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 50631328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55057968).

50631328 is an abundant number, since it is smaller than the sum of its proper divisors (59484608).

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

50631328 is a wasteful number, since it uses less digits than its factorization.

50631328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837 (or 1829 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 50631328 is about 7115.5694079954. The cubic root of 50631328 is about 369.9472240284.

The spelling of 50631328 in words is "fifty million, six hundred thirty-one thousand, three hundred twenty-eight".