52529686 has 16 divisors (see below), whose sum is σ = 88731648. Its totient is φ = 23106600.

The previous prime is 52529681. The next prime is 52529713. The reversal of 52529686 is 68692525.

It is a super-2 number, since 2×52529686² = 5518735822517192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52529681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37830 + ... + 39193.

It is an arithmetic number, because the mean of its divisors is an integer number (5545728).

Almost surely, 2^52529686 is an apocalyptic number.

52529686 is a deficient number, since it is larger than the sum of its proper divisors (36201962).

52529686 is a wasteful number, since it uses less digits than its factorization.

52529686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77067.

The product of its digits is 259200, while the sum is 43.

The square root of 52529686 is about 7247.7366122121. The cubic root of 52529686 is about 374.5141821471.

The spelling of 52529686 in words is "fifty-two million, five hundred twenty-nine thousand, six hundred eighty-six".