50928640 has 176 divisors, whose sum is σ = 147384000. Its totient is φ = 16859136.

The previous prime is 50928599. The next prime is 50928671. The reversal of 50928640 is 4682905.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 50928596 and 50928605.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1756146 + ... + 1756174.

Almost surely, 2^50928640 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 50928640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73692000).

50928640 is an abundant number, since it is smaller than the sum of its proper divisors (96455360).

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

50928640 is an equidigital number, since it uses as much as digits as its factorization.

50928640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 50928640 is about 7136.4304802891. The cubic root of 50928640 is about 370.6699330895.

The spelling of 50928640 in words is "fifty million, nine hundred twenty-eight thousand, six hundred forty".