52857536 has 28 divisors (see below), whose sum is σ = 106875072. Its totient is φ = 25928448.

The previous prime is 52857523. The next prime is 52857547. The reversal of 52857536 is 63575825.

It is a super-2 number, since 2×52857536² = 5587838223982592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52857493 and 52857502.

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, 4400 + ... + 11183.

Almost surely, 2^52857536 is an apocalyptic number.

It is an amenable number.

52857536 is an abundant number, since it is smaller than the sum of its proper divisors (54017536).

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

52857536 is a wasteful number, since it uses less digits than its factorization.

52857536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15648 (or 15638 counting only the distinct ones).

The product of its digits is 252000, while the sum is 41.

The square root of 52857536 is about 7270.3188375751. The cubic root of 52857536 is about 375.2917102068.

It can be divided in two parts, 5285 and 7536, that added together give a palindrome (12821).

The spelling of 52857536 in words is "fifty-two million, eight hundred fifty-seven thousand, five hundred thirty-six".