51925648384 has 33 divisors (see below), whose sum is σ = 103815166861. Its totient is φ = 25959178240.

The previous prime is 51925648381. The next prime is 51925648387. The reversal of 51925648384 is 48384652915.

The square root of 51925648384 is 227872.

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

It is an interprime number because it is at equal distance from previous prime (51925648381) and next prime (51925648387).

It can be written as a sum of positive squares in only one way, i.e., 1174569984 + 50751078400 = 34272^2 + 225280^2 .

It is a super-2 number, since 2×51925648384² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51925648381) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7288344 + ... + 7295464.

Almost surely, 2^51925648384 is an apocalyptic number.

51925648384 is the 227872-nd square number.

It is an amenable number.

51925648384 is a deficient number, since it is larger than the sum of its proper divisors (51889518477).

51925648384 is an frugal number, since it uses more digits than its factorization.

51925648384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14262 (or 7123 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 55.

The spelling of 51925648384 in words is "fifty-one billion, nine hundred twenty-five million, six hundred forty-eight thousand, three hundred eighty-four".