51594498665 has 16 divisors (see below), whose sum is σ = 62470103040. Its totient is φ = 40905184320.

The previous prime is 51594498629. The next prime is 51594498667. The reversal of 51594498665 is 56689449515.

It is not a de Polignac number, because 51594498665 - 2¹⁴ = 51594482281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51594498598 and 51594498607.

It is not an unprimeable number, because it can be changed into a prime (51594498667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 533891 + ... + 623079.

It is an arithmetic number, because the mean of its divisors is an integer number (3904381440).

Almost surely, 2^51594498665 is an apocalyptic number.

It is an amenable number.

51594498665 is a deficient number, since it is larger than the sum of its proper divisors (10875604375).

51594498665 is a wasteful number, since it uses less digits than its factorization.

51594498665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90232.

The product of its digits is 46656000, while the sum is 62.

The spelling of 51594498665 in words is "fifty-one billion, five hundred ninety-four million, four hundred ninety-eight thousand, six hundred sixty-five".