51342554430552 has 256 divisors, whose sum is σ = 160189894840320. Its totient is φ = 13322307801600.

The previous prime is 51342554430551. The next prime is 51342554430647. The reversal of 51342554430552 is 25503445524315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51342554430551) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14093480043 + ... + 14093483685.

It is an arithmetic number, because the mean of its divisors is an integer number (625741776720).

Almost surely, 2^{51342554430552} 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 51342554430552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80094947420160).

51342554430552 is an abundant number, since it is smaller than the sum of its proper divisors (108847340409768).

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

51342554430552 is a wasteful number, since it uses less digits than its factorization.

51342554430552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9254 (or 9250 counting only the distinct ones).

The product of its (nonzero) digits is 7200000, while the sum is 48.

Adding to 51342554430552 its reverse (25503445524315), we get a palindrome (76845999954867).

The spelling of 51342554430552 in words is "fifty-one trillion, three hundred forty-two billion, five hundred fifty-four million, four hundred thirty thousand, five hundred fifty-two".