52656786 has 192 divisors, whose sum is σ = 155990016. Its totient is φ = 12441600.

The previous prime is 52656763. The next prime is 52656797. The reversal of 52656786 is 68765625.

52656786 is a `hidden beast` number, since 5 + 2 + 6 + 567 + 86 = 666.

52656786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52656786² = 5545474223699592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 863196 + ... + 863256.

It is an arithmetic number, because the mean of its divisors is an integer number (812448).

Almost surely, 2^52656786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52656786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77995008).

52656786 is an abundant number, since it is smaller than the sum of its proper divisors (103333230).

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

52656786 is a wasteful number, since it uses less digits than its factorization.

52656786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 134 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 52656786 is about 7256.4995693516. The cubic root of 52656786 is about 374.8159950606.

The spelling of 52656786 in words is "fifty-two million, six hundred fifty-six thousand, seven hundred eighty-six".