56635543160 has 192 divisors, whose sum is σ = 153366151680. Its totient is φ = 18403925760.

The previous prime is 56635543141. The next prime is 56635543169. The reversal of 56635543160 is 6134553665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56635543169) 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 47 ways as a sum of consecutive naturals, for example, 171104195 + ... + 171104525.

It is an arithmetic number, because the mean of its divisors is an integer number (798782040).

Almost surely, 2^56635543160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56635543160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76683075840).

56635543160 is an abundant number, since it is smaller than the sum of its proper divisors (96730608520).

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

56635543160 is a wasteful number, since it uses less digits than its factorization.

56635543160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 44.

The spelling of 56635543160 in words is "fifty-six billion, six hundred thirty-five million, five hundred forty-three thousand, one hundred sixty".