51789350617 has 8 divisors (see below), whose sum is σ = 51877425600. Its totient is φ = 51701323344.

The previous prime is 51789350597. The next prime is 51789350621. The reversal of 51789350617 is 71605398715.

51789350617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51789350617 - 2⁷ = 51789350489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51789350017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2650359 + ... + 2669827.

It is an arithmetic number, because the mean of its divisors is an integer number (6484678200).

Almost surely, 2^51789350617 is an apocalyptic number.

It is an amenable number.

51789350617 is a deficient number, since it is larger than the sum of its proper divisors (88074983).

51789350617 is a wasteful number, since it uses less digits than its factorization.

51789350617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23855.

The product of its (nonzero) digits is 1587600, while the sum is 52.

The spelling of 51789350617 in words is "fifty-one billion, seven hundred eighty-nine million, three hundred fifty thousand, six hundred seventeen".