51377545067860 has 48 divisors (see below), whose sum is σ = 117749583907200. Its totient is φ = 18675077178240.

The previous prime is 51377545067837. The next prime is 51377545067899. The reversal of 51377545067860 is 6876054577315.

51377545067860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51377545067792 and 51377545067801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47378160 + ... + 48450439.

It is an arithmetic number, because the mean of its divisors is an integer number (2453116331400).

Almost surely, 2^{51377545067860} is an apocalyptic number.

It is an amenable number.

51377545067860 is an abundant number, since it is smaller than the sum of its proper divisors (66372038839340).

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

51377545067860 is a wasteful number, since it uses less digits than its factorization.

51377545067860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95831056 (or 95831054 counting only the distinct ones).

The product of its (nonzero) digits is 148176000, while the sum is 64.

The spelling of 51377545067860 in words is "fifty-one trillion, three hundred seventy-seven billion, five hundred forty-five million, sixty-seven thousand, eight hundred sixty".