51080030984 has 8 divisors (see below), whose sum is σ = 95775058110. Its totient is φ = 25540015488.

The previous prime is 51080030893. The next prime is 51080031029. The reversal of 51080030984 is 48903008015.

51080030984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 33700882084 + 17379148900 = 183578^2 + 131830^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3192501929 + ... + 3192501944.

Almost surely, 2^51080030984 is an apocalyptic number.

It is an amenable number.

51080030984 is a deficient number, since it is larger than the sum of its proper divisors (44695027126).

51080030984 is a wasteful number, since it uses less digits than its factorization.

51080030984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6385003879 (or 6385003875 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

Adding to 51080030984 its reverse (48903008015), we get a palindrome (99983038999).

The spelling of 51080030984 in words is "fifty-one billion, eighty million, thirty thousand, nine hundred eighty-four".