51055860036 has 48 divisors (see below), whose sum is σ = 119387068416. Its totient is φ = 16981989024.

The previous prime is 51055860017. The next prime is 51055860047. The reversal of 51055860036 is 63006855015.

It is a junction number, because it is equal to n+sod(n) for n = 51055859976 and 51055860003.

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 in 15 ways as a sum of consecutive naturals, for example, 17441605 + ... + 17444531.

It is an arithmetic number, because the mean of its divisors is an integer number (2487230592).

Almost surely, 2^51055860036 is an apocalyptic number.

It is an amenable number.

51055860036 is an abundant number, since it is smaller than the sum of its proper divisors (68331208380).

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

51055860036 is a wasteful number, since it uses less digits than its factorization.

51055860036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5568 (or 5566 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 51055860036 in words is "fifty-one billion, fifty-five million, eight hundred sixty thousand, thirty-six".