50639375 has 10 divisors (see below), whose sum is σ = 63279744. Its totient is φ = 40511000.

The previous prime is 50639371. The next prime is 50639377. The reversal of 50639375 is 57393605.

It is not a de Polignac number, because 50639375 - 2² = 50639371 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 (50639371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39887 + ... + 41136.

Almost surely, 2^50639375 is an apocalyptic number.

50639375 is a deficient number, since it is larger than the sum of its proper divisors (12640369).

50639375 is an frugal number, since it uses more digits than its factorization.

50639375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81043 (or 81028 counting only the distinct ones).

The product of its (nonzero) digits is 85050, while the sum is 38.

The square root of 50639375 is about 7116.1348357096. The cubic root of 50639375 is about 369.9668219580.

The spelling of 50639375 in words is "fifty million, six hundred thirty-nine thousand, three hundred seventy-five".