51080030948 has 24 divisors (see below), whose sum is σ = 90471722040. Its totient is φ = 25231458560.

The previous prime is 51080030893. The next prime is 51080031029. The reversal of 51080030948 is 84903008015.

It can be written as a sum of positive squares in 4 ways, for example, as 20564133604 + 30515897344 = 143402^2 + 174688^2 .

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, 359690 + ... + 481182.

It is an arithmetic number, because the mean of its divisors is an integer number (3769655085).

Almost surely, 2^51080030948 is an apocalyptic number.

It is an amenable number.

51080030948 is a deficient number, since it is larger than the sum of its proper divisors (39391691092).

51080030948 is a wasteful number, since it uses less digits than its factorization.

51080030948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122767 (or 122765 counting only the distinct ones).

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

The spelling of 51080030948 in words is "fifty-one billion, eighty million, thirty thousand, nine hundred forty-eight".