52813864 has 16 divisors (see below), whose sum is σ = 100895220. Its totient is φ = 25908480.

The previous prime is 52813841. The next prime is 52813903. The reversal of 52813864 is 46831825.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49420900 + 3392964 = 7030^2 + 1842^2 .

It is a super-2 number, since 2×52813864² = 5578608461220992, which contains 22 as substring.

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, 61857 + ... + 62704.

Almost surely, 2^52813864 is an apocalyptic number.

It is an amenable number.

52813864 is a deficient number, since it is larger than the sum of its proper divisors (48081356).

52813864 is a wasteful number, since it uses less digits than its factorization.

52813864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124620 (or 124616 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 52813864 is about 7267.3147723213. The cubic root of 52813864 is about 375.1883237789.

The spelling of 52813864 in words is "fifty-two million, eight hundred thirteen thousand, eight hundred sixty-four".