51030245872 has 40 divisors (see below), whose sum is σ = 102556426544. Its totient is φ = 24580329984.

The previous prime is 51030245801. The next prime is 51030245899. The reversal of 51030245872 is 27854203015.

51030245872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457803 + ... + 558250.

Almost surely, 2^51030245872 is an apocalyptic number.

It is an amenable number.

51030245872 is an abundant number, since it is smaller than the sum of its proper divisors (51526180672).

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

51030245872 is a wasteful number, since it uses less digits than its factorization.

51030245872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016177 (or 1016171 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

Adding to 51030245872 its reverse (27854203015), we get a palindrome (78884448887).

The spelling of 51030245872 in words is "fifty-one billion, thirty million, two hundred forty-five thousand, eight hundred seventy-two".