50028857 has 4 divisors (see below), whose sum is σ = 51754020. Its totient is φ = 48303696.

The previous prime is 50028827. The next prime is 50028859. The reversal of 50028857 is 75882005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37994896 + 12033961 = 6164^2 + 3469^2 .

It is a cyclic number.

It is not a de Polignac number, because 50028857 - 2¹⁰ = 50027833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50028859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862538 + ... + 862595.

It is an arithmetic number, because the mean of its divisors is an integer number (12938505).

Almost surely, 2^50028857 is an apocalyptic number.

It is an amenable number.

50028857 is a deficient number, since it is larger than the sum of its proper divisors (1725163).

50028857 is a wasteful number, since it uses less digits than its factorization.

50028857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725162.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 50028857 is about 7073.1080155756. The cubic root of 50028857 is about 368.4740096318.

The spelling of 50028857 in words is "fifty million, twenty-eight thousand, eight hundred fifty-seven".