51350361571 has 4 divisors (see below), whose sum is σ = 54053012200. Its totient is φ = 48647710944.

The previous prime is 51350361539. The next prime is 51350361581. The reversal of 51350361571 is 17516305315.

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

It is a cyclic number.

It is not a de Polignac number, because 51350361571 - 2⁵ = 51350361539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51350361571.

It is not an unprimeable number, because it can be changed into a prime (51350361581) 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, 1351325286 + ... + 1351325323.

It is an arithmetic number, because the mean of its divisors is an integer number (13513253050).

Almost surely, 2^51350361571 is an apocalyptic number.

51350361571 is a deficient number, since it is larger than the sum of its proper divisors (2702650629).

51350361571 is a wasteful number, since it uses less digits than its factorization.

51350361571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702650628.

The product of its (nonzero) digits is 47250, while the sum is 37.

Adding to 51350361571 its reverse (17516305315), we get a palindrome (68866666886).

The spelling of 51350361571 in words is "fifty-one billion, three hundred fifty million, three hundred sixty-one thousand, five hundred seventy-one".