52543136 has 24 divisors (see below), whose sum is σ = 103863060. Its totient is φ = 26165248.

The previous prime is 52543121. The next prime is 52543159. The reversal of 52543136 is 63134525.

It can be written as a sum of positive squares in 2 ways, for example, as 52475536 + 67600 = 7244^2 + 260^2 .

It is a super-2 number, since 2×52543136² = 5521562281428992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52543099 and 52543108.

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, 5030 + ... + 11418.

Almost surely, 2^52543136 is an apocalyptic number.

It is an amenable number.

52543136 is a deficient number, since it is larger than the sum of its proper divisors (51319924).

52543136 is a wasteful number, since it uses less digits than its factorization.

52543136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6656 (or 6648 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 52543136 is about 7248.6644287068. The cubic root of 52543136 is about 374.5461436675.

The spelling of 52543136 in words is "fifty-two million, five hundred forty-three thousand, one hundred thirty-six".