51417083206452 has 72 divisors (see below), whose sum is σ = 124460304696000. Its totient is φ = 16520398748672.

The previous prime is 51417083206439. The next prime is 51417083206453. The reversal of 51417083206452 is 25460238071415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51417083206453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1792324 + ... + 10297892.

It is an arithmetic number, because the mean of its divisors is an integer number (1728615343000).

Almost surely, 2^{51417083206452} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51417083206452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62230152348000).

51417083206452 is an abundant number, since it is smaller than the sum of its proper divisors (73043221489548).

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

51417083206452 is a wasteful number, since it uses less digits than its factorization.

51417083206452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8506233 (or 8506202 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 51417083206452 in words is "fifty-one trillion, four hundred seventeen billion, eighty-three million, two hundred six thousand, four hundred fifty-two".