51325232000 has 512 divisors, whose sum is σ = 155810304000. Its totient is φ = 16422912000.

The previous prime is 51325231963. The next prime is 51325232003. The reversal of 51325232000 is 23252315.

51325232000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51325232003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 189391865 + ... + 189392135.

It is an arithmetic number, because the mean of its divisors is an integer number (304317000).

Almost surely, 2^51325232000 is an apocalyptic number.

51325232000 is a gapful number since it is divisible by the number (50) 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 51325232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77905152000).

51325232000 is an abundant number, since it is smaller than the sum of its proper divisors (104485072000).

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

51325232000 is a wasteful number, since it uses less digits than its factorization.

51325232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 51325232000 its reverse (23252315), we get a palindrome (51348484315).

The spelling of 51325232000 in words is "fifty-one billion, three hundred twenty-five million, two hundred thirty-two thousand".