52857844 has 12 divisors (see below), whose sum is σ = 99616804. Its totient is φ = 24395904.

The previous prime is 52857823. The next prime is 52857863. The reversal of 52857844 is 44875825.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29702500 + 23155344 = 5450^2 + 4812^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52857844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508197 + ... + 508300.

Almost surely, 2^52857844 is an apocalyptic number.

It is an amenable number.

52857844 is a deficient number, since it is larger than the sum of its proper divisors (46758960).

52857844 is a wasteful number, since it uses less digits than its factorization.

52857844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016514 (or 1016512 counting only the distinct ones).

The product of its digits is 358400, while the sum is 43.

The square root of 52857844 is about 7270.3400195589. The cubic root of 52857844 is about 375.2924391449.

The spelling of 52857844 in words is "fifty-two million, eight hundred fifty-seven thousand, eight hundred forty-four".