51763647603440 has 80 divisors (see below), whose sum is σ = 120440325763296. Its totient is φ = 20690007475200.

The previous prime is 51763647603439. The next prime is 51763647603509. The reversal of 51763647603440 is 4430674636715.

51763647603440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

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, 626857355 + ... + 626939925.

Almost surely, 2^{51763647603440} is an apocalyptic number.

It is an amenable number.

51763647603440 is an abundant number, since it is smaller than the sum of its proper divisors (68676678159856).

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

51763647603440 is a wasteful number, since it uses less digits than its factorization.

51763647603440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88338 (or 88332 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 56.

The spelling of 51763647603440 in words is "fifty-one trillion, seven hundred sixty-three billion, six hundred forty-seven million, six hundred three thousand, four hundred forty".