51700060509 has 8 divisors (see below), whose sum is σ = 68934787680. Its totient is φ = 34466020176.

The previous prime is 51700060483. The next prime is 51700060519. The reversal of 51700060509 is 90506000715.

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

It is not a de Polignac number, because 51700060509 - 2¹³ = 51700052317 is a prime.

It is a super-2 number, since 2×51700060509² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51700060509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51700060519) 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, 41887 + ... + 324275.

It is an arithmetic number, because the mean of its divisors is an integer number (8616848460).

Almost surely, 2^51700060509 is an apocalyptic number.

It is an amenable number.

51700060509 is a deficient number, since it is larger than the sum of its proper divisors (17234727171).

51700060509 is a wasteful number, since it uses less digits than its factorization.

51700060509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343419.

The product of its (nonzero) digits is 9450, while the sum is 33.

The spelling of 51700060509 in words is "fifty-one billion, seven hundred million, sixty thousand, five hundred nine".