51610650500560 has 80 divisors (see below), whose sum is σ = 127467133206336. Its totient is φ = 19366602246144.

The previous prime is 51610650500531. The next prime is 51610650500573. The reversal of 51610650500560 is 6500505601615.

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

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61388682 + ... + 62223721.

Almost surely, 2^{51610650500560} is an apocalyptic number.

It is an amenable number.

51610650500560 is an abundant number, since it is smaller than the sum of its proper divisors (75856482705776).

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

51610650500560 is a wasteful number, since it uses less digits than its factorization.

51610650500560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123612740 (or 123612734 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 51610650500560 in words is "fifty-one trillion, six hundred ten billion, six hundred fifty million, five hundred thousand, five hundred sixty".