51428275800 has 192 divisors, whose sum is σ = 178622496000. Its totient is φ = 12130444800.

The previous prime is 51428275799. The next prime is 51428275819. The reversal of 51428275800 is 857282415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138901 + ... + 349499.

It is an arithmetic number, because the mean of its divisors is an integer number (930325500).

Almost surely, 2^51428275800 is an apocalyptic number.

51428275800 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 51428275800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89311248000).

51428275800 is an abundant number, since it is smaller than the sum of its proper divisors (127194220200).

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

51428275800 is a wasteful number, since it uses less digits than its factorization.

51428275800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210666 (or 210657 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 42.

The spelling of 51428275800 in words is "fifty-one billion, four hundred twenty-eight million, two hundred seventy-five thousand, eight hundred".