50128812 has 36 divisors (see below), whose sum is σ = 126966840. Its totient is φ = 16676352.

The previous prime is 50128811. The next prime is 50128823. The reversal of 50128812 is 21882105.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (50128811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22668 + ... + 24780.

Almost surely, 2^50128812 is an apocalyptic number.

It is an amenable number.

50128812 is an abundant number, since it is smaller than the sum of its proper divisors (76838028).

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

50128812 is a wasteful number, since it uses less digits than its factorization.

50128812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782 (or 2777 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 50128812 is about 7080.1703369340. The cubic root of 50128812 is about 368.7192435518.

It can be divided in two parts, 5012 and 8812, that added together give a cube (13824 = 24³).

The spelling of 50128812 in words is "fifty million, one hundred twenty-eight thousand, eight hundred twelve".