51943525000 has 96 divisors (see below), whose sum is σ = 121914072000. Its totient is φ = 20746840000.

The previous prime is 51943524991. The next prime is 51943525037. The reversal of 51943525000 is 52534915.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25473981 + ... + 25476019.

It is an arithmetic number, because the mean of its divisors is an integer number (1269938250).

Almost surely, 2^51943525000 is an apocalyptic number.

51943525000 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 51943525000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60957036000).

51943525000 is an abundant number, since it is smaller than the sum of its proper divisors (69970547000).

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

51943525000 is a wasteful number, since it uses less digits than its factorization.

51943525000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089 (or 3065 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 51943525000 in words is "fifty-one billion, nine hundred forty-three million, five hundred twenty-five thousand".