51671654596 has 9 divisors (see below), whose sum is σ = 90426191149. Its totient is φ = 25835599984.

The previous prime is 51671654591. The next prime is 51671654599. The reversal of 51671654596 is 69545617615.

It is a happy number.

The square root of 51671654596 is 227314.

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., 44491464900 + 7180189696 = 210930^2 + 84736^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51671654591) 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, 397800 + ... + 511456.

Almost surely, 2^51671654596 is an apocalyptic number.

51671654596 is the 227314-th square number.

It is an amenable number.

51671654596 is a deficient number, since it is larger than the sum of its proper divisors (38754536553).

51671654596 is an frugal number, since it uses more digits than its factorization.

51671654596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227318 (or 113659 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 55.

The spelling of 51671654596 in words is "fifty-one billion, six hundred seventy-one million, six hundred fifty-four thousand, five hundred ninety-six".