51928116384 has 96 divisors (see below), whose sum is σ = 139713880320. Its totient is φ = 16877772800.

The previous prime is 51928116379. The next prime is 51928116397. The reversal of 51928116384 is 48361182915.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×51928116384³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12156169 + ... + 12160439.

It is an arithmetic number, because the mean of its divisors is an integer number (1455352920).

Almost surely, 2^51928116384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51928116384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69856940160).

51928116384 is an abundant number, since it is smaller than the sum of its proper divisors (87785763936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51928116384 is a wasteful number, since it uses less digits than its factorization.

51928116384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7414 (or 7406 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The spelling of 51928116384 in words is "fifty-one billion, nine hundred twenty-eight million, one hundred sixteen thousand, three hundred eighty-four".