50653728 has 96 divisors (see below), whose sum is σ = 154224000. Its totient is φ = 16144128.

The previous prime is 50653723. The next prime is 50653741. The reversal of 50653728 is 82735605.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 50653692 and 50653701.

It is not an unprimeable number, because it can be changed into a prime (50653723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18598 + ... + 21146.

It is an arithmetic number, because the mean of its divisors is an integer number (1606500).

Almost surely, 2^50653728 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 50653728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77112000).

50653728 is an abundant number, since it is smaller than the sum of its proper divisors (103570272).

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

50653728 is a wasteful number, since it uses less digits than its factorization.

50653728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591 (or 2577 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 50653728 is about 7117.1432471182. The cubic root of 50653728 is about 370.0017725749.

The spelling of 50653728 in words is "fifty million, six hundred fifty-three thousand, seven hundred twenty-eight".