51736754523 has 4 divisors (see below), whose sum is σ = 68982339368. Its totient is φ = 34491169680.

The previous prime is 51736754477. The next prime is 51736754527. The reversal of 51736754523 is 32545763715.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 51736754523 - 2¹² = 51736750427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51736754527) 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, 8622792418 + ... + 8622792423.

It is an arithmetic number, because the mean of its divisors is an integer number (17245584842).

Almost surely, 2^51736754523 is an apocalyptic number.

51736754523 is a deficient number, since it is larger than the sum of its proper divisors (17245584845).

51736754523 is a wasteful number, since it uses less digits than its factorization.

51736754523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17245584844.

The product of its digits is 2646000, while the sum is 48.

The spelling of 51736754523 in words is "fifty-one billion, seven hundred thirty-six million, seven hundred fifty-four thousand, five hundred twenty-three".