51327044352 has 216 divisors, whose sum is σ = 155122871904. Its totient is φ = 16290988032.

The previous prime is 51327044323. The next prime is 51327044359. The reversal of 51327044352 is 25344072315.

51327044352 is a `hidden beast` number, since 513 + 2 + 70 + 44 + 35 + 2 = 666.

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 (51327044359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12345058 + ... + 12349214.

It is an arithmetic number, because the mean of its divisors is an integer number (718161444).

Almost surely, 2^51327044352 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 51327044352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77561435952).

51327044352 is an abundant number, since it is smaller than the sum of its proper divisors (103795827552).

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

51327044352 is a wasteful number, since it uses less digits than its factorization.

51327044352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4435 (or 4418 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 51327044352 in words is "fifty-one billion, three hundred twenty-seven million, forty-four thousand, three hundred fifty-two".