52727664 has 80 divisors (see below), whose sum is σ = 152668800. Its totient is φ = 15540480.

The previous prime is 52727639. The next prime is 52727669. The reversal of 52727664 is 46672725.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52727669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18187 + ... + 20885.

It is an arithmetic number, because the mean of its divisors is an integer number (1908360).

Almost surely, 2^52727664 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 52727664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76334400).

52727664 is an abundant number, since it is smaller than the sum of its proper divisors (99941136).

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

52727664 is a wasteful number, since it uses less digits than its factorization.

52727664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758 (or 2752 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 52727664 is about 7261.3816867040. The cubic root of 52727664 is about 374.9840917696.

The spelling of 52727664 in words is "fifty-two million, seven hundred twenty-seven thousand, six hundred sixty-four".