52705664 has 96 divisors (see below), whose sum is σ = 119652120. Its totient is φ = 23091200.

The previous prime is 52705657. The next prime is 52705687. The reversal of 52705664 is 46650725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 634967 + ... + 635049.

Almost surely, 2^52705664 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 52705664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59826060).

52705664 is an abundant number, since it is smaller than the sum of its proper divisors (66946456).

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

52705664 is a wasteful number, since it uses less digits than its factorization.

52705664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 52705664 is about 7259.8666654423. The cubic root of 52705664 is about 374.9319319417.

The spelling of 52705664 in words is "fifty-two million, seven hundred five thousand, six hundred sixty-four".