52727657664 has 112 divisors (see below), whose sum is σ = 152532892800. Its totient is φ = 15942205440.

The previous prime is 52727657617. The next prime is 52727657681. The reversal of 52727657664 is 46675672725.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 920487 + ... + 976089.

Almost surely, 2^52727657664 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 52727657664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76266446400).

52727657664 is an abundant number, since it is smaller than the sum of its proper divisors (99805235136).

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

52727657664 is a wasteful number, since it uses less digits than its factorization.

52727657664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56078 (or 56068 counting only the distinct ones).

The product of its digits is 29635200, while the sum is 57.

The spelling of 52727657664 in words is "fifty-two billion, seven hundred twenty-seven million, six hundred fifty-seven thousand, six hundred sixty-four".