50136617 has 4 divisors (see below), whose sum is σ = 50152020. Its totient is φ = 50121216.

The previous prime is 50136613. The next prime is 50136623. The reversal of 50136617 is 71663105.

50136617 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 can be written as a sum of positive squares in 2 ways, for example, as 43705321 + 6431296 = 6611^2 + 2536^2 .

It is a cyclic number.

It is not a de Polignac number, because 50136617 - 2² = 50136613 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 50136617.

It is not an unprimeable number, because it can be changed into a prime (50136613) 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, 692 + ... + 10037.

It is an arithmetic number, because the mean of its divisors is an integer number (12538005).

Almost surely, 2^50136617 is an apocalyptic number.

It is an amenable number.

50136617 is a deficient number, since it is larger than the sum of its proper divisors (15403).

50136617 is a wasteful number, since it uses less digits than its factorization.

50136617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15402.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 50136617 is about 7080.7215027849. The cubic root of 50136617 is about 368.7383789501.

The spelling of 50136617 in words is "fifty million, one hundred thirty-six thousand, six hundred seventeen".