51671711703450 has 48 divisors (see below), whose sum is σ = 130872352383360. Its totient is φ = 13485950286720.

The previous prime is 51671711703401. The next prime is 51671711703467. The reversal of 51671711703450 is 5430711717615.

It is a happy number.

51671711703450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×51671711703450³ (a number of 42 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51671711703450.

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 23 ways as a sum of consecutive naturals, for example, 3664653355 + ... + 3664667454.

It is an arithmetic number, because the mean of its divisors is an integer number (2726507341320).

Almost surely, 2^{51671711703450} is an apocalyptic number.

51671711703450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51671711703450 is an abundant number, since it is smaller than the sum of its proper divisors (79200640679910).

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

51671711703450 is a wasteful number, since it uses less digits than its factorization.

51671711703450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7329320871 (or 7329320866 counting only the distinct ones).

The product of its (nonzero) digits is 617400, while the sum is 48.

The spelling of 51671711703450 in words is "fifty-one trillion, six hundred seventy-one billion, seven hundred eleven million, seven hundred three thousand, four hundred fifty".