51723495184 has 15 divisors (see below), whose sum is σ = 100216034517. Its totient is φ = 25861292736.

The previous prime is 51723495181. The next prime is 51723495209. The reversal of 51723495184 is 48159432715.

It is a happy number.

The square root of 51723495184 is 227428.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 21263472400 + 30460022784 = 145820^2 + 174528^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51723495181) 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 2 ways as a sum of consecutive naturals, for example, 881284 + ... + 938140.

Almost surely, 2^51723495184 is an apocalyptic number.

51723495184 is the 227428-th square number.

It is an amenable number.

51723495184 is a deficient number, since it is larger than the sum of its proper divisors (48492539333).

51723495184 is an frugal number, since it uses more digits than its factorization.

51723495184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113722 (or 56859 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 49.

Multiplying 51723495184 by its sum of digits (49), we get a square (2534451264016 = 1591996²).

The spelling of 51723495184 in words is "fifty-one billion, seven hundred twenty-three million, four hundred ninety-five thousand, one hundred eighty-four".