50639201 has 4 divisors (see below), whose sum is σ = 50822292. Its totient is φ = 50456112.

The previous prime is 50639189. The next prime is 50639207. The reversal of 50639201 is 10293605.

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 33408400 + 17230801 = 5780^2 + 4151^2 .

It is a cyclic number.

It is not a de Polignac number, because 50639201 - 2⁶ = 50639137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50639207) 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, 91130 + ... + 91683.

It is an arithmetic number, because the mean of its divisors is an integer number (12705573).

Almost surely, 2^50639201 is an apocalyptic number.

It is an amenable number.

50639201 is a deficient number, since it is larger than the sum of its proper divisors (183091).

50639201 is a wasteful number, since it uses less digits than its factorization.

50639201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183090.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 50639201 is about 7116.1226099611. The cubic root of 50639201 is about 369.9663982147.

The spelling of 50639201 in words is "fifty million, six hundred thirty-nine thousand, two hundred one".