51322345459200 has 2400 divisors, whose sum is σ = 212804723197440. Its totient is φ = 12139816550400.

The previous prime is 51322345459157. The next prime is 51322345459211. The reversal of 51322345459200 is 295454322315.

It is a happy number.

51322345459200 is a `hidden beast` number, since 5 + 1 + 3 + 2 + 2 + 3 + 4 + 54 + 592 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2400).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 110847398169 + ... + 110847398631.

Almost surely, 2^{51322345459200} is an apocalyptic number.

51322345459200 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 51322345459200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106402361598720).

51322345459200 is an abundant number, since it is smaller than the sum of its proper divisors (161482377738240).

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

51322345459200 is a wasteful number, since it uses less digits than its factorization.

51322345459200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 51322345459200 in words is "fifty-one trillion, three hundred twenty-two billion, three hundred forty-five million, four hundred fifty-nine thousand, two hundred".