51740000017 has 4 divisors (see below), whose sum is σ = 51740713456. Its totient is φ = 51739286580.

The previous prime is 51740000003. The next prime is 51740000033. The reversal of 51740000017 is 71000004715.

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: 71000004715 = 5 ⋅14200000943.

It is a cyclic number.

It is not a de Polignac number, because 51740000017 - 2³⁵ = 17380261649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51739999946 and 51740000000.

It is not an unprimeable number, because it can be changed into a prime (51740000047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233823 + ... + 397684.

It is an arithmetic number, because the mean of its divisors is an integer number (12935178364).

Almost surely, 2^51740000017 is an apocalyptic number.

It is an amenable number.

51740000017 is a deficient number, since it is larger than the sum of its proper divisors (713439).

51740000017 is an equidigital number, since it uses as much as digits as its factorization.

51740000017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713438.

The product of its (nonzero) digits is 980, while the sum is 25.

The spelling of 51740000017 in words is "fifty-one billion, seven hundred forty million, seventeen", and thus it is an aban number.