50128680 has 128 divisors (see below), whose sum is σ = 174182400. Its totient is φ = 11304192.

The previous prime is 50128657. The next prime is 50128681. The reversal of 50128680 is 8682105.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (50128681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69361 + ... + 70079.

It is an arithmetic number, because the mean of its divisors is an integer number (1360800).

Almost surely, 2^50128680 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 50128680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87091200).

50128680 is an abundant number, since it is smaller than the sum of its proper divisors (124053720).

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

50128680 is a wasteful number, since it uses less digits than its factorization.

50128680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 50128680 is about 7080.1610151182. The cubic root of 50128680 is about 368.7189199123.

The spelling of 50128680 in words is "fifty million, one hundred twenty-eight thousand, six hundred eighty".