51552130000 has 400 divisors, whose sum is σ = 152285253120. Its totient is φ = 16507584000.

The previous prime is 51552129997. The next prime is 51552130009. The reversal of 51552130000 is 3125515.

It is a tau number, because it is divible by the number of its divisors (400).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51552130009) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 110389767 + ... + 110390233.

Almost surely, 2^51552130000 is an apocalyptic number.

51552130000 is a gapful number since it is divisible by the number (50) 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 51552130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76142626560).

51552130000 is an abundant number, since it is smaller than the sum of its proper divisors (100733123120).

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

51552130000 is a wasteful number, since it uses less digits than its factorization.

51552130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

Adding to 51552130000 its reverse (3125515), we get a palindrome (51555255515).

The spelling of 51552130000 in words is "fifty-one billion, five hundred fifty-two million, one hundred thirty thousand".