51330502230 has 128 divisors (see below), whose sum is σ = 147007872000. Its totient is φ = 11459734272.

The previous prime is 51330502199. The next prime is 51330502319. The reversal of 51330502230 is 3220503315.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 51330502230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 384466 + ... + 500474.

It is an arithmetic number, because the mean of its divisors is an integer number (1148499000).

Almost surely, 2^51330502230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51330502230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73503936000).

51330502230 is an abundant number, since it is smaller than the sum of its proper divisors (95677369770).

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

51330502230 is a wasteful number, since it uses less digits than its factorization.

51330502230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116083 (or 116069 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The spelling of 51330502230 in words is "fifty-one billion, three hundred thirty million, five hundred two thousand, two hundred thirty".