52556688 has 100 divisors (see below), whose sum is σ = 153941040. Its totient is φ = 17309376.

The previous prime is 52556683. The next prime is 52556689. The reversal of 52556688 is 88665525.

52556688 is a `hidden beast` number, since 5 + 2 + 5 + 566 + 88 = 666.

It is not an unprimeable number, because it can be changed into a prime (52556681) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 138483 + ... + 138861.

Almost surely, 2^52556688 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 52556688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76970520).

52556688 is an abundant number, since it is smaller than the sum of its proper divisors (101384352).

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

52556688 is a wasteful number, since it uses less digits than its factorization.

52556688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 491 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 52556688 is about 7249.5991613330. The cubic root of 52556688 is about 374.5783420566.

The spelling of 52556688 in words is "fifty-two million, five hundred fifty-six thousand, six hundred eighty-eight".