52856844 has 12 divisors (see below), whose sum is σ = 123332664. Its totient is φ = 17618944.

The previous prime is 52856813. The next prime is 52856849. The reversal of 52856844 is 44865825.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 52856796 and 52856805.

It is not an unprimeable number, because it can be changed into a prime (52856849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2202357 + ... + 2202380.

It is an arithmetic number, because the mean of its divisors is an integer number (10277722).

Almost surely, 2^52856844 is an apocalyptic number.

It is an amenable number.

52856844 is an abundant number, since it is smaller than the sum of its proper divisors (70475820).

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

52856844 is a wasteful number, since it uses less digits than its factorization.

52856844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404744 (or 4404742 counting only the distinct ones).

The product of its digits is 307200, while the sum is 42.

The square root of 52856844 is about 7270.2712466592. The cubic root of 52856844 is about 375.2900724523.

The spelling of 52856844 in words is "fifty-two million, eight hundred fifty-six thousand, eight hundred forty-four".