52712856 has 80 divisors (see below), whose sum is σ = 168751440. Its totient is φ = 15059520.

The previous prime is 52712851. The next prime is 52712867. The reversal of 52712856 is 65821725.

It is a happy number.

52712856 is a `hidden beast` number, since 527 + 128 + 5 + 6 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 52712856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52712851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1275 + ... + 10346.

It is an arithmetic number, because the mean of its divisors is an integer number (2109393).

Almost surely, 2^52712856 is an apocalyptic number.

52712856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52712856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84375720).

52712856 is an abundant number, since it is smaller than the sum of its proper divisors (116038584).

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

52712856 is a wasteful number, since it uses less digits than its factorization.

52712856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11646 (or 11633 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 52712856 is about 7260.3619744473. The cubic root of 52712856 is about 374.9489850603.

The spelling of 52712856 in words is "fifty-two million, seven hundred twelve thousand, eight hundred fifty-six".