51713443008 has 280 divisors, whose sum is σ = 157672058544. Its totient is φ = 16749158400.

The previous prime is 51713443007. The next prime is 51713443009. The reversal of 51713443008 is 80034431715.

It is a happy number.

51713443008 is a `hidden beast` number, since 5 + 1 + 7 + 1 + 344 + 300 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (51713443007) and next prime (51713443009).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (51713443007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 99257788 + ... + 99258308.

Almost surely, 2^51713443008 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 51713443008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78836029272).

51713443008 is an abundant number, since it is smaller than the sum of its proper divisors (105958615536).

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

51713443008 is a wasteful number, since it uses less digits than its factorization.

51713443008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 51713443008 in words is "fifty-one billion, seven hundred thirteen million, four hundred forty-three thousand, eight".