51936668896 has 96 divisors (see below), whose sum is σ = 120721950720. Its totient is φ = 21523622400.

The previous prime is 51936668869. The next prime is 51936668911. The reversal of 51936668896 is 69886663915.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12920775 + ... + 12924793.

It is an arithmetic number, because the mean of its divisors is an integer number (1257520320).

Almost surely, 2^51936668896 is an apocalyptic number.

51936668896 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51936668896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60360975360).

51936668896 is an abundant number, since it is smaller than the sum of its proper divisors (68785281824).

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

51936668896 is a wasteful number, since it uses less digits than its factorization.

51936668896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5928 (or 5920 counting only the distinct ones).

The product of its digits is 100776960, while the sum is 67.

The spelling of 51936668896 in words is "fifty-one billion, nine hundred thirty-six million, six hundred sixty-eight thousand, eight hundred ninety-six".