50387017 has 4 divisors (see below), whose sum is σ = 50401476. Its totient is φ = 50372560.

The previous prime is 50386967. The next prime is 50387021. The reversal of 50387017 is 71078305.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 71078305 = 5 ⋅14215661.

It can be written as a sum of positive squares in 2 ways, for example, as 29419776 + 20967241 = 5424^2 + 4579^2 .

It is a cyclic number.

It is not a de Polignac number, because 50387017 - 2¹¹ = 50384969 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 50387017.

It is not an unprimeable number, because it can be changed into a prime (50387027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1563 + ... + 10159.

It is an arithmetic number, because the mean of its divisors is an integer number (12600369).

Almost surely, 2^50387017 is an apocalyptic number.

It is an amenable number.

50387017 is a deficient number, since it is larger than the sum of its proper divisors (14459).

50387017 is an equidigital number, since it uses as much as digits as its factorization.

50387017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14458.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 50387017 is about 7098.3812943516. The cubic root of 50387017 is about 369.3512297808.

The spelling of 50387017 in words is "fifty million, three hundred eighty-seven thousand, seventeen".