50613313 has 4 divisors (see below), whose sum is σ = 51690240. Its totient is φ = 49536388.

The previous prime is 50613289. The next prime is 50613319. The reversal of 50613313 is 31331605.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31331605 = 5 ⋅6266321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50613313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50613319) 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, 538393 + ... + 538486.

It is an arithmetic number, because the mean of its divisors is an integer number (12922560).

Almost surely, 2^50613313 is an apocalyptic number.

It is an amenable number.

50613313 is a deficient number, since it is larger than the sum of its proper divisors (1076927).

50613313 is a wasteful number, since it uses less digits than its factorization.

50613313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076926.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 50613313 is about 7114.3034093297. The cubic root of 50613313 is about 369.9033421730.

Adding to 50613313 its reverse (31331605), we get a palindrome (81944918).

The spelling of 50613313 in words is "fifty million, six hundred thirteen thousand, three hundred thirteen".