50839965 has 36 divisors (see below), whose sum is σ = 96872412. Its totient is φ = 24647040.

The previous prime is 50839963. The next prime is 50839967. The reversal of 50839965 is 56993805.

50839965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (50839963) and next prime (50839967).

It can be written as a sum of positive squares in 2 ways, for example, as 35676729 + 15163236 = 5973^2 + 3894^2 .

It is not a de Polignac number, because 50839965 - 2¹ = 50839963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 50839965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50839963) 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 35 ways as a sum of consecutive naturals, for example, 777 + ... + 10113.

Almost surely, 2^50839965 is an apocalyptic number.

50839965 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50839965 is a deficient number, since it is larger than the sum of its proper divisors (46032447).

50839965 is a wasteful number, since it uses less digits than its factorization.

50839965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9370 (or 9356 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 50839965 is about 7130.2149336468. The cubic root of 50839965 is about 370.4546760054.

The spelling of 50839965 in words is "fifty million, eight hundred thirty-nine thousand, nine hundred sixty-five".