51736507704 has 192 divisors, whose sum is σ = 171695354400. Its totient is φ = 14382240768.

The previous prime is 51736507687. The next prime is 51736507721. The reversal of 51736507704 is 40770563715.

51736507704 is a `hidden beast` number, since 5 + 1 + 73 + 6 + 507 + 70 + 4 = 666.

51736507704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51736507687) and next prime (51736507721).

It is a self number, because there is not a number n which added to its sum of digits gives 51736507704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 325552 + ... + 457664.

Almost surely, 2^51736507704 is an apocalyptic number.

51736507704 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 51736507704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85847677200).

51736507704 is an abundant number, since it is smaller than the sum of its proper divisors (119958846696).

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

51736507704 is a wasteful number, since it uses less digits than its factorization.

51736507704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132179 (or 132162 counting only the distinct ones).

The product of its (nonzero) digits is 617400, while the sum is 45.

The spelling of 51736507704 in words is "fifty-one billion, seven hundred thirty-six million, five hundred seven thousand, seven hundred four".