50984257 has 4 divisors (see below), whose sum is σ = 51147460. Its totient is φ = 50821056.

The previous prime is 50984209. The next prime is 50984287. The reversal of 50984257 is 75248905.

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 5340721 + 45643536 = 2311^2 + 6756^2 .

It is a cyclic number.

It is not a de Polignac number, because 50984257 - 2¹¹ = 50982209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50984287) 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, 81132 + ... + 81757.

It is an arithmetic number, because the mean of its divisors is an integer number (12786865).

Almost surely, 2^50984257 is an apocalyptic number.

It is an amenable number.

50984257 is a deficient number, since it is larger than the sum of its proper divisors (163203).

50984257 is a wasteful number, since it uses less digits than its factorization.

50984257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163202.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 50984257 is about 7140.3261130007. The cubic root of 50984257 is about 370.8048149540.

The spelling of 50984257 in words is "fifty million, nine hundred eighty-four thousand, two hundred fifty-seven".