51743897941320 has 384 divisors, whose sum is σ = 181841750344800. Its totient is φ = 12685123141632.

The previous prime is 51743897941273. The next prime is 51743897941331. The reversal of 51743897941320 is 2314979834715.

51743897941320 is a `hidden beast` number, since 5 + 1 + 7 + 438 + 97 + 94 + 1 + 3 + 20 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 9888924251556 + 41854973689764 = 3144666^2 + 6469542^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1674923794 + ... + 1674954686.

Almost surely, 2^{51743897941320} 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 51743897941320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90920875172400).

51743897941320 is an abundant number, since it is smaller than the sum of its proper divisors (130097852403480).

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

51743897941320 is a wasteful number, since it uses less digits than its factorization.

51743897941320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32369 (or 32362 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 51743897941320 in words is "fifty-one trillion, seven hundred forty-three billion, eight hundred ninety-seven million, nine hundred forty-one thousand, three hundred twenty".