51702607745 has 8 divisors (see below), whose sum is σ = 62516741760. Its totient is φ = 41046344560.

The previous prime is 51702607727. The next prime is 51702607751. The reversal of 51702607745 is 54770620715.

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

It is not a de Polignac number, because 51702607745 - 2⁶ = 51702607681 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51702607696 and 51702607705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39466985 + ... + 39468294.

It is an arithmetic number, because the mean of its divisors is an integer number (7814592720).

Almost surely, 2^51702607745 is an apocalyptic number.

It is an amenable number.

51702607745 is a deficient number, since it is larger than the sum of its proper divisors (10814134015).

51702607745 is a wasteful number, since it uses less digits than its factorization.

51702607745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78935415.

The product of its (nonzero) digits is 411600, while the sum is 44.

The spelling of 51702607745 in words is "fifty-one billion, seven hundred two million, six hundred seven thousand, seven hundred forty-five".