51482246617 has 4 divisors (see below), whose sum is σ = 51519908736. Its totient is φ = 51444584500.

The previous prime is 51482246593. The next prime is 51482246659. The reversal of 51482246617 is 71664228415.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51482246617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51482247617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18829009 + ... + 18831742.

It is an arithmetic number, because the mean of its divisors is an integer number (12879977184).

Almost surely, 2^51482246617 is an apocalyptic number.

It is an amenable number.

51482246617 is a deficient number, since it is larger than the sum of its proper divisors (37662119).

51482246617 is a wasteful number, since it uses less digits than its factorization.

51482246617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37662118.

The product of its digits is 645120, while the sum is 46.

The spelling of 51482246617 in words is "fifty-one billion, four hundred eighty-two million, two hundred forty-six thousand, six hundred seventeen".