50403313 has 8 divisors (see below), whose sum is σ = 51023520. Its totient is φ = 49786080.

The previous prime is 50403299. The next prime is 50403319. The reversal of 50403313 is 31330405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50403313 - 2¹⁷ = 50272241 is a prime.

It is a super-2 number, since 2×50403313² = 5080987922751938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50403319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65853 + ... + 66613.

It is an arithmetic number, because the mean of its divisors is an integer number (6377940).

Almost surely, 2^50403313 is an apocalyptic number.

It is an amenable number.

50403313 is a deficient number, since it is larger than the sum of its proper divisors (620207).

50403313 is a wasteful number, since it uses less digits than its factorization.

50403313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 50403313 is about 7099.5290688890. The cubic root of 50403313 is about 369.3910436008.

Adding to 50403313 its reverse (31330405), we get a palindrome (81733718).

The spelling of 50403313 in words is "fifty million, four hundred three thousand, three hundred thirteen".