51210565060 has 48 divisors (see below), whose sum is σ = 115734936240. Its totient is φ = 18963210240.

The previous prime is 51210565057. The next prime is 51210565069. The reversal of 51210565060 is 6056501215.

It can be written as a sum of positive squares in 8 ways, for example, as 1295856004 + 49914709056 = 35998^2 + 223416^2 .

It is not an unprimeable number, because it can be changed into a prime (51210565069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1213845 + ... + 1255324.

It is an arithmetic number, because the mean of its divisors is an integer number (2411144505).

Almost surely, 2^51210565060 is an apocalyptic number.

It is an amenable number.

51210565060 is an abundant number, since it is smaller than the sum of its proper divisors (64524371180).

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

51210565060 is a wasteful number, since it uses less digits than its factorization.

51210565060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469256 (or 2469254 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 51210565060 in words is "fifty-one billion, two hundred ten million, five hundred sixty-five thousand, sixty".