52387856 has 20 divisors (see below), whose sum is σ = 104245932. Its totient is φ = 25485696.

The previous prime is 52387801. The next prime is 52387871. The reversal of 52387856 is 65878325.

It can be written as a sum of positive squares in 2 ways, for example, as 26173456 + 26214400 = 5116^2 + 5120^2 .

It is a super-3 number, since 3×52387856³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

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, 43655 + ... + 44838.

Almost surely, 2^52387856 is an apocalyptic number.

It is an amenable number.

52387856 is a deficient number, since it is larger than the sum of its proper divisors (51858076).

52387856 is a wasteful number, since it uses less digits than its factorization.

52387856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88538 (or 88532 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 52387856 is about 7237.9455648685. The cubic root of 52387856 is about 374.1768159332.

The spelling of 52387856 in words is "fifty-two million, three hundred eighty-seven thousand, eight hundred fifty-six".