52717656 has 64 divisors (see below), whose sum is σ = 140785920. Its totient is φ = 16410240.

The previous prime is 52717649. The next prime is 52717667. The reversal of 52717656 is 65671725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22626 + ... + 24846.

It is an arithmetic number, because the mean of its divisors is an integer number (2199780).

Almost surely, 2^52717656 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 52717656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70392960).

52717656 is an abundant number, since it is smaller than the sum of its proper divisors (88068264).

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

52717656 is a wasteful number, since it uses less digits than its factorization.

52717656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296 (or 2292 counting only the distinct ones).

The product of its digits is 88200, while the sum is 39.

The square root of 52717656 is about 7260.6925289534. The cubic root of 52717656 is about 374.9603655889.

The spelling of 52717656 in words is "fifty-two million, seven hundred seventeen thousand, six hundred fifty-six".