50513217434 has 4 divisors (see below), whose sum is σ = 75769826154. Its totient is φ = 25256608716.

The previous prime is 50513217421. The next prime is 50513217439. The reversal of 50513217434 is 43471231505.

50513217434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36327216409 + 14186001025 = 190597^2 + 119105^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50513217394 and 50513217403.

It is not an unprimeable number, because it can be changed into a prime (50513217439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12628304357 + ... + 12628304360.

Almost surely, 2^50513217434 is an apocalyptic number.

50513217434 is a deficient number, since it is larger than the sum of its proper divisors (25256608720).

50513217434 is a wasteful number, since it uses less digits than its factorization.

50513217434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25256608719.

The product of its (nonzero) digits is 50400, while the sum is 35.

Adding to 50513217434 its reverse (43471231505), we get a palindrome (93984448939).

The spelling of 50513217434 in words is "fifty billion, five hundred thirteen million, two hundred seventeen thousand, four hundred thirty-four".