51522331760 has 40 divisors (see below), whose sum is σ = 119917439376. Its totient is φ = 20586908160.

The previous prime is 51522331753. The next prime is 51522331771. The reversal of 51522331760 is 6713322515.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 51522331760.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268706 + ... + 418625.

Almost surely, 2^51522331760 is an apocalyptic number.

It is an amenable number.

51522331760 is an abundant number, since it is smaller than the sum of its proper divisors (68395107616).

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

51522331760 is a wasteful number, since it uses less digits than its factorization.

51522331760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688281 (or 688275 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 51522331760 in words is "fifty-one billion, five hundred twenty-two million, three hundred thirty-one thousand, seven hundred sixty".