50219857 has 4 divisors (see below), whose sum is σ = 50236596. Its totient is φ = 50203120.

The previous prime is 50219849. The next prime is 50219861. The reversal of 50219857 is 75891205.

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 19793601 + 30426256 = 4449^2 + 5516^2 .

It is a cyclic number.

It is not a de Polignac number, because 50219857 - 2³ = 50219849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50219357) 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, 2494 + ... + 10327.

It is an arithmetic number, because the mean of its divisors is an integer number (12559149).

Almost surely, 2^50219857 is an apocalyptic number.

It is an amenable number.

50219857 is a deficient number, since it is larger than the sum of its proper divisors (16739).

50219857 is a wasteful number, since it uses less digits than its factorization.

50219857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16738.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 50219857 is about 7086.5969971489. The cubic root of 50219857 is about 368.9423337544.

It can be divided in two parts, 50219 and 857, that added together give a square (51076 = 226²).

The spelling of 50219857 in words is "fifty million, two hundred nineteen thousand, eight hundred fifty-seven".