50643528 has 128 divisors (see below), whose sum is σ = 144789120. Its totient is φ = 14653440.

The previous prime is 50643511. The next prime is 50643559. The reversal of 50643528 is 82534605.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 473251 + ... + 473357.

It is an arithmetic number, because the mean of its divisors is an integer number (1131165).

Almost surely, 2^50643528 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 50643528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72394560).

50643528 is an abundant number, since it is smaller than the sum of its proper divisors (94145592).

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

50643528 is a wasteful number, since it uses less digits than its factorization.

50643528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 50643528 is about 7116.4266313930. The cubic root of 50643528 is about 369.9769354992.

The spelling of 50643528 in words is "fifty million, six hundred forty-three thousand, five hundred twenty-eight".