51692297457 has 4 divisors (see below), whose sum is σ = 68923063280. Its totient is φ = 34461531636.

The previous prime is 51692297431. The next prime is 51692297467. The reversal of 51692297457 is 75479229615.

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 not a de Polignac number, because 51692297457 - 2¹⁰ = 51692296433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51692297397 and 51692297406.

It is not an unprimeable number, because it can be changed into a prime (51692297407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8615382907 + ... + 8615382912.

It is an arithmetic number, because the mean of its divisors is an integer number (17230765820).

Almost surely, 2^51692297457 is an apocalyptic number.

It is an amenable number.

51692297457 is a deficient number, since it is larger than the sum of its proper divisors (17230765823).

51692297457 is a wasteful number, since it uses less digits than its factorization.

51692297457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17230765822.

The product of its digits is 9525600, while the sum is 57.

The spelling of 51692297457 in words is "fifty-one billion, six hundred ninety-two million, two hundred ninety-seven thousand, four hundred fifty-seven".