51876439696 has 15 divisors (see below), whose sum is σ = 100512367113. Its totient is φ = 25937764320.

The previous prime is 51876439691. The next prime is 51876439711. The reversal of 51876439696 is 69693467815.

The square root of 51876439696 is 227764.

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., 26557265296 + 25319174400 = 162964^2 + 159120^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51876439691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 882586 + ... + 939526.

Almost surely, 2^51876439696 is an apocalyptic number.

51876439696 is the 227764-th square number.

It is an amenable number.

51876439696 is a deficient number, since it is larger than the sum of its proper divisors (48635927417).

51876439696 is an frugal number, since it uses more digits than its factorization.

51876439696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113890 (or 56943 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 64.

Multiplying 51876439696 by its sum of digits (64), we get a square (3320092140544 = 1822112²).

The spelling of 51876439696 in words is "fifty-one billion, eight hundred seventy-six million, four hundred thirty-nine thousand, six hundred ninety-six".