51903503885057 has 12 divisors (see below), whose sum is σ = 59190866440944. Its totient is φ = 45133481634120.

The previous prime is 51903503885053. The next prime is 51903503885059. The reversal of 51903503885057 is 75058830530915.

51903503885057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51903503885057 - 2² = 51903503885053 is a prime.

It is a super-3 number, since 3×51903503885057³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51903503884987 and 51903503885005.

It is not an unprimeable number, because it can be changed into a prime (51903503885053) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4459824383 + ... + 4459836020.

It is an arithmetic number, because the mean of its divisors is an integer number (4932572203412).

Almost surely, 2^{51903503885057} is an apocalyptic number.

It is an amenable number.

51903503885057 is a deficient number, since it is larger than the sum of its proper divisors (7287362555887).

51903503885057 is a wasteful number, since it uses less digits than its factorization.

51903503885057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8919660460 (or 8919660437 counting only the distinct ones).

The product of its (nonzero) digits is 22680000, while the sum is 59.

The spelling of 51903503885057 in words is "fifty-one trillion, nine hundred three billion, five hundred three million, eight hundred eighty-five thousand, fifty-seven".