50044513 has 4 divisors (see below), whose sum is σ = 50111380. Its totient is φ = 49977648.

The previous prime is 50044451. The next prime is 50044523. The reversal of 50044513 is 31544005.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31544005 = 5 ⋅6308801.

It can be written as a sum of positive squares in 2 ways, for example, as 32126224 + 17918289 = 5668^2 + 4233^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50044513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50044523) 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, 32298 + ... + 33811.

It is an arithmetic number, because the mean of its divisors is an integer number (12527845).

Almost surely, 2^50044513 is an apocalyptic number.

It is an amenable number.

50044513 is a deficient number, since it is larger than the sum of its proper divisors (66867).

50044513 is an equidigital number, since it uses as much as digits as its factorization.

50044513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66866.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 50044513 is about 7074.2146560590. The cubic root of 50044513 is about 368.5124423003.

Adding to 50044513 its reverse (31544005), we get a palindrome (81588518).

The spelling of 50044513 in words is "fifty million, forty-four thousand, five hundred thirteen".