50470513 has 4 divisors (see below), whose sum is σ = 50585920. Its totient is φ = 50355108.

The previous prime is 50470507. The next prime is 50470523. The reversal of 50470513 is 31507405.

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: 31507405 = 5 ⋅6301481.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50470513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50470523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57045 + ... + 57922.

It is an arithmetic number, because the mean of its divisors is an integer number (12646480).

Almost surely, 2^50470513 is an apocalyptic number.

It is an amenable number.

50470513 is a deficient number, since it is larger than the sum of its proper divisors (115407).

50470513 is a wasteful number, since it uses less digits than its factorization.

50470513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115406.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 50470513 is about 7104.2602007528. The cubic root of 50470513 is about 369.5551337043. Note that the first 3 decimals are identical.

Adding to 50470513 its reverse (31507405), we get a palindrome (81977918).

It can be divided in two parts, 504 and 70513, that added together give a palindrome (71017).

The spelling of 50470513 in words is "fifty million, four hundred seventy thousand, five hundred thirteen".