51033330555072 has 56 divisors (see below), whose sum is σ = 138318996556272. Its totient is φ = 16596205056000.

The previous prime is 51033330555071. The next prime is 51033330555127. The reversal of 51033330555072 is 27055503333015.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51033330555071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3241438429 + ... + 3241454172.

It is an arithmetic number, because the mean of its divisors is an integer number (2469982081362).

Almost surely, 2^{51033330555072} is an apocalyptic number.

It is an amenable number.

51033330555072 is an abundant number, since it is smaller than the sum of its proper divisors (87285666001200).

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

51033330555072 is a wasteful number, since it uses less digits than its factorization.

51033330555072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6482892657 (or 6482892647 counting only the distinct ones).

The product of its (nonzero) digits is 708750, while the sum is 42.

Adding to 51033330555072 its reverse (27055503333015), we get a palindrome (78088833888087).

The spelling of 51033330555072 in words is "fifty-one trillion, thirty-three billion, three hundred thirty million, five hundred fifty-five thousand, seventy-two".