50650139 has 8 divisors (see below), whose sum is σ = 52263360. Its totient is φ = 49061376.

The previous prime is 50650121. The next prime is 50650177. The reversal of 50650139 is 93105605.

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

It is a cyclic number.

It is not a de Polignac number, because 50650139 - 2¹⁶ = 50584603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50650109) 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, 1862 + ... + 10235.

It is an arithmetic number, because the mean of its divisors is an integer number (6532920).

Almost surely, 2^50650139 is an apocalyptic number.

50650139 is a deficient number, since it is larger than the sum of its proper divisors (1613221).

50650139 is a wasteful number, since it uses less digits than its factorization.

50650139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12229.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 50650139 is about 7116.8911049699. The cubic root of 50650139 is about 369.9930337135.

The spelling of 50650139 in words is "fifty million, six hundred fifty thousand, one hundred thirty-nine".