51088656784 has 75 divisors (see below), whose sum is σ = 109115675035. Its totient is φ = 23172390560.

The previous prime is 51088656761. The next prime is 51088656793. The reversal of 51088656784 is 48765688015.

The square root of 51088656784 is 226028.

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

It is a super-2 number, since 2×51088656784² (a number of 22 digits) contains 22 as substring.

It is a Duffinian 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 14 ways as a sum of consecutive naturals, for example, 109397319 + ... + 109397785.

Almost surely, 2^51088656784 is an apocalyptic number.

51088656784 is the 226028-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51088656784

51088656784 is an abundant number, since it is smaller than the sum of its proper divisors (58027018251).

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

51088656784 is an frugal number, since it uses more digits than its factorization.

51088656784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 58.

The spelling of 51088656784 in words is "fifty-one billion, eighty-eight million, six hundred fifty-six thousand, seven hundred eighty-four".