51710024661 has 4 divisors (see below), whose sum is σ = 68946699552. Its totient is φ = 34473349772.

The previous prime is 51710024647. The next prime is 51710024687. The reversal of 51710024661 is 16642001715.

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.

It is a cyclic number.

It is not a de Polignac number, because 51710024661 - 2¹⁰ = 51710023637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51710024761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8618337441 + ... + 8618337446.

It is an arithmetic number, because the mean of its divisors is an integer number (17236674888).

Almost surely, 2^51710024661 is an apocalyptic number.

It is an amenable number.

51710024661 is a deficient number, since it is larger than the sum of its proper divisors (17236674891).

51710024661 is a wasteful number, since it uses less digits than its factorization.

51710024661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17236674890.

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 51710024661 in words is "fifty-one billion, seven hundred ten million, twenty-four thousand, six hundred sixty-one".