51333563228364 has 96 divisors (see below), whose sum is σ = 134196661267200. Its totient is φ = 16968798570240.

The previous prime is 51333563228351. The next prime is 51333563228461. The reversal of 51333563228364 is 46382236533315.

51333563228364 is a `hidden beast` number, since 5 + 1 + 3 + 3 + 3 + 56 + 3 + 228 + 364 = 666.

It is a super-2 number, since 2×51333563228364² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 51333563228364.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11284879 + ... + 15166265.

It is an arithmetic number, because the mean of its divisors is an integer number (1397881888200).

Almost surely, 2^{51333563228364} is an apocalyptic number.

51333563228364 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 51333563228364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67098330633600).

51333563228364 is an abundant number, since it is smaller than the sum of its proper divisors (82863098038836).

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

51333563228364 is a wasteful number, since it uses less digits than its factorization.

51333563228364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882420 (or 3882412 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 54.

The spelling of 51333563228364 in words is "fifty-one trillion, three hundred thirty-three billion, five hundred sixty-three million, two hundred twenty-eight thousand, three hundred sixty-four".