52006656 has 72 divisors (see below), whose sum is σ = 149089360. Its totient is φ = 15998976.

The previous prime is 52006631. The next prime is 52006663. The reversal of 52006656 is 65660025.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7380 + ... + 12588.

Almost surely, 2^52006656 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 52006656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74544680).

52006656 is an abundant number, since it is smaller than the sum of its proper divisors (97082704).

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

52006656 is a wasteful number, since it uses less digits than its factorization.

52006656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5241 (or 5227 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 52006656 is about 7211.5640467238. The cubic root of 52006656 is about 373.2670403832.

The spelling of 52006656 in words is "fifty-two million, six thousand, six hundred fifty-six".