51066510597 has 6 divisors (see below), whose sum is σ = 73762737542. Its totient is φ = 34044340392.

The previous prime is 51066510563. The next prime is 51066510601. The reversal of 51066510597 is 79501566015.

51066510597 is a `hidden beast` number, since 5 + 1 + 0 + 6 + 6 + 51 + 0 + 597 = 666.

It can be written as a sum of positive squares in only one way, i.e., 50103897921 + 962612676 = 223839^2 + 31026^2 .

It is not a de Polignac number, because 51066510597 - 2³⁴ = 33886641413 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 (51066512597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2837028358 + ... + 2837028375.

Almost surely, 2^51066510597 is an apocalyptic number.

It is an amenable number.

51066510597 is a deficient number, since it is larger than the sum of its proper divisors (22696226945).

51066510597 is a wasteful number, since it uses less digits than its factorization.

51066510597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5674056739 (or 5674056736 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 45.

The spelling of 51066510597 in words is "fifty-one billion, sixty-six million, five hundred ten thousand, five hundred ninety-seven".