51333424341992 has 64 divisors (see below), whose sum is σ = 105627415582080. Its totient is φ = 23241439533312.

The previous prime is 51333424341977. The next prime is 51333424342003. The reversal of 51333424341992 is 29914342433315.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32335403 + ... + 33885765.

It is an arithmetic number, because the mean of its divisors is an integer number (1650428368470).

Almost surely, 2^{51333424341992} is an apocalyptic number.

51333424341992 is a gapful number since it is divisible by the number (52) 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 51333424341992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52813707791040).

51333424341992 is an abundant number, since it is smaller than the sum of its proper divisors (54293991240088).

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

51333424341992 is a wasteful number, since it uses less digits than its factorization.

51333424341992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556442 (or 1556438 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 53.

The spelling of 51333424341992 in words is "fifty-one trillion, three hundred thirty-three billion, four hundred twenty-four million, three hundred forty-one thousand, nine hundred ninety-two".