51032717712 has 360 divisors, whose sum is σ = 154985830272. Its totient is φ = 16264281600.

The previous prime is 51032717677. The next prime is 51032717759. The reversal of 51032717712 is 21771723015.

It is a happy number.

51032717712 is a `hidden beast` number, since 510 + 3 + 2 + 71 + 7 + 71 + 2 = 666.

51032717712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×51032717712³ (a number of 33 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 305585053 + ... + 305585219.

Almost surely, 2^51032717712 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 51032717712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77492915136).

51032717712 is an abundant number, since it is smaller than the sum of its proper divisors (103953112560).

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

51032717712 is an equidigital number, since it uses as much as digits as its factorization.

51032717712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 36.

The spelling of 51032717712 in words is "fifty-one billion, thirty-two million, seven hundred seventeen thousand, seven hundred twelve".