51298048052 has 6 divisors (see below), whose sum is σ = 89771584098. Its totient is φ = 25649024024.

The previous prime is 51298048037. The next prime is 51298048069. The reversal of 51298048052 is 25084089215.

It can be written as a sum of positive squares in only one way, i.e., 50690721316 + 607326736 = 225146^2 + 24644^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51298047994 and 51298048012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6412256003 + ... + 6412256010.

It is an arithmetic number, because the mean of its divisors is an integer number (14961930683).

Almost surely, 2^51298048052 is an apocalyptic number.

It is an amenable number.

51298048052 is a deficient number, since it is larger than the sum of its proper divisors (38473536046).

51298048052 is a wasteful number, since it uses less digits than its factorization.

51298048052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12824512017 (or 12824512015 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 44.

The spelling of 51298048052 in words is "fifty-one billion, two hundred ninety-eight million, forty-eight thousand, fifty-two".