50454013 has 4 divisors (see below), whose sum is σ = 50476860. Its totient is φ = 50431168.

The previous prime is 50453981. The next prime is 50454017. The reversal of 50454013 is 31045405.

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 30713764 + 19740249 = 5542^2 + 4443^2 .

It is a cyclic number.

It is not a de Polignac number, because 50454013 - 2⁵ = 50453981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50454017) 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, 7708 + ... + 12661.

It is an arithmetic number, because the mean of its divisors is an integer number (12619215).

Almost surely, 2^50454013 is an apocalyptic number.

It is an amenable number.

50454013 is a deficient number, since it is larger than the sum of its proper divisors (22847).

50454013 is a wasteful number, since it uses less digits than its factorization.

50454013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22846.

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

The square root of 50454013 is about 7103.0988307921. The cubic root of 50454013 is about 369.5148572210.

Adding to 50454013 its reverse (31045405), we get a palindrome (81499418).

The spelling of 50454013 in words is "fifty million, four hundred fifty-four thousand, thirteen".