53611606561660 has 24 divisors (see below), whose sum is σ = 128667855748320. Its totient is φ = 18381122249664.

The previous prime is 53611606561603. The next prime is 53611606561687. The reversal of 53611606561660 is 6616560611635.

53611606561660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 53611606561598 and 53611606561607.

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 7 ways as a sum of consecutive naturals, for example, 191470023295 + ... + 191470023574.

It is an arithmetic number, because the mean of its divisors is an integer number (5361160656180).

Almost surely, 2^{53611606561660} is an apocalyptic number.

It is an amenable number.

53611606561660 is an abundant number, since it is smaller than the sum of its proper divisors (75056249186660).

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

53611606561660 is a wasteful number, since it uses less digits than its factorization.

53611606561660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382940046885 (or 382940046883 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 52.

The spelling of 53611606561660 in words is "fifty-three trillion, six hundred eleven billion, six hundred six million, five hundred sixty-one thousand, six hundred sixty".