51796714464 has 192 divisors, whose sum is σ = 165230876160. Its totient is φ = 15655680000.

The previous prime is 51796714451. The next prime is 51796714471. The reversal of 51796714464 is 46441769715.

It is a happy number.

51796714464 is a `hidden beast` number, since 5 + 179 + 6 + 7 + 1 + 4 + 464 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 51796714464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3804309 + ... + 3817899.

It is an arithmetic number, because the mean of its divisors is an integer number (860577480).

Almost surely, 2^51796714464 is an apocalyptic number.

51796714464 is a gapful number since it is divisible by the number (54) 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 51796714464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82615438080).

51796714464 is an abundant number, since it is smaller than the sum of its proper divisors (113434161696).

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

51796714464 is a wasteful number, since it uses less digits than its factorization.

51796714464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14022 (or 14008 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 51796714464 in words is "fifty-one billion, seven hundred ninety-six million, seven hundred fourteen thousand, four hundred sixty-four".