50139835 has 8 divisors (see below), whose sum is σ = 61448256. Its totient is φ = 39258240.

The previous prime is 50139833. The next prime is 50139853. The reversal of 50139835 is 53893105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50139835 - 2¹ = 50139833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50139835.

It is not an unprimeable number, because it can be changed into a prime (50139833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106446 + ... + 106915.

It is an arithmetic number, because the mean of its divisors is an integer number (7681032).

Almost surely, 2^50139835 is an apocalyptic number.

50139835 is a deficient number, since it is larger than the sum of its proper divisors (11308421).

50139835 is a wasteful number, since it uses less digits than its factorization.

50139835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213413.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 50139835 is about 7080.9487358687. The cubic root of 50139835 is about 368.7462678929.

The spelling of 50139835 in words is "fifty million, one hundred thirty-nine thousand, eight hundred thirty-five".