52432569 has 16 divisors (see below), whose sum is σ = 88775040. Its totient is φ = 29961360.

The previous prime is 52432561. The next prime is 52432579. The reversal of 52432569 is 96523425.

52432569 is a `hidden beast` number, since 52 + 43 + 2 + 569 = 666.

It is not a de Polignac number, because 52432569 - 2³ = 52432561 is a prime.

It is a super-2 number, since 2×52432569² = 5498348583879522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52432561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138522 + ... + 138899.

It is an arithmetic number, because the mean of its divisors is an integer number (5548440).

Almost surely, 2^52432569 is an apocalyptic number.

It is an amenable number.

52432569 is a deficient number, since it is larger than the sum of its proper divisors (36342471).

52432569 is a wasteful number, since it uses less digits than its factorization.

52432569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277437 (or 277431 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 52432569 is about 7241.0336969248. The cubic root of 52432569 is about 374.2832388822.

The spelling of 52432569 in words is "fifty-two million, four hundred thirty-two thousand, five hundred sixty-nine".