50432639 has 4 divisors (see below), whose sum is σ = 50754024. Its totient is φ = 50111256.

The previous prime is 50432621. The next prime is 50432663. The reversal of 50432639 is 93623405.

50432639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 50432639 - 2²⁴ = 33655423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50432609) 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 3 ways as a sum of consecutive naturals, for example, 160457 + ... + 160770.

It is an arithmetic number, because the mean of its divisors is an integer number (12688506).

Almost surely, 2^50432639 is an apocalyptic number.

50432639 is a deficient number, since it is larger than the sum of its proper divisors (321385).

50432639 is a wasteful number, since it uses less digits than its factorization.

50432639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321384.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 50432639 is about 7101.5941168163. The cubic root of 50432639 is about 369.4626702516.

The spelling of 50432639 in words is "fifty million, four hundred thirty-two thousand, six hundred thirty-nine".