50457313 has 4 divisors (see below), whose sum is σ = 50485680. Its totient is φ = 50428948.

The previous prime is 50457301. The next prime is 50457359. The reversal of 50457313 is 31375405.

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: 31375405 = 5 ⋅6275081.

It is a cyclic number.

It is not a de Polignac number, because 50457313 - 2²⁵ = 16902881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50457713) 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, 11323 + ... + 15136.

It is an arithmetic number, because the mean of its divisors is an integer number (12621420).

Almost surely, 2^50457313 is an apocalyptic number.

It is an amenable number.

50457313 is a deficient number, since it is larger than the sum of its proper divisors (28367).

50457313 is a wasteful number, since it uses less digits than its factorization.

50457313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28366.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 50457313 is about 7103.3311199746. The cubic root of 50457313 is about 369.5229132201.

The spelling of 50457313 in words is "fifty million, four hundred fifty-seven thousand, three hundred thirteen".