51056086852 has 12 divisors (see below), whose sum is σ = 89437775980. Its totient is φ = 25502436576.

The previous prime is 51056086813. The next prime is 51056086897. The reversal of 51056086852 is 25868065015.

It is a happy number.

51056086852 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 2 ways, for example, as 48068808516 + 2987278336 = 219246^2 + 54656^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6397227 + ... + 6405202.

Almost surely, 2^51056086852 is an apocalyptic number.

It is an amenable number.

51056086852 is a deficient number, since it is larger than the sum of its proper divisors (38381689128).

51056086852 is a wasteful number, since it uses less digits than its factorization.

51056086852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12803430 (or 12803428 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 46.

The spelling of 51056086852 in words is "fifty-one billion, fifty-six million, eighty-six thousand, eight hundred fifty-two".