51701564701 has 8 divisors (see below), whose sum is σ = 51805787040. Its totient is φ = 51597398448.

The previous prime is 51701564671. The next prime is 51701564711. The reversal of 51701564701 is 10746510715.

It is a happy number.

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 51701564701 - 2⁵ = 51701564669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51701564711) 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, 2165310 + ... + 2189056.

It is an arithmetic number, because the mean of its divisors is an integer number (6475723380).

Almost surely, 2^51701564701 is an apocalyptic number.

It is an amenable number.

51701564701 is a deficient number, since it is larger than the sum of its proper divisors (104222339).

51701564701 is a wasteful number, since it uses less digits than its factorization.

51701564701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28043.

The product of its (nonzero) digits is 29400, while the sum is 37.

The spelling of 51701564701 in words is "fifty-one billion, seven hundred one million, five hundred sixty-four thousand, seven hundred one".