50428281 has 8 divisors (see below), whose sum is σ = 68506560. Its totient is φ = 32984432.

The previous prime is 50428267. The next prime is 50428291. The reversal of 50428281 is 18282405.

50428281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50428281 - 2⁵ = 50428249 is a prime.

It is a super-2 number, since 2×50428281² = 5086023049229922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50428241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158421 + ... + 158738.

It is an arithmetic number, because the mean of its divisors is an integer number (8563320).

Almost surely, 2^50428281 is an apocalyptic number.

It is an amenable number.

50428281 is a deficient number, since it is larger than the sum of its proper divisors (18078279).

50428281 is a wasteful number, since it uses less digits than its factorization.

50428281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317215.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 50428281 is about 7101.2872776702. The cubic root of 50428281 is about 369.4520279061.

The spelling of 50428281 in words is "fifty million, four hundred twenty-eight thousand, two hundred eighty-one".