52529691 has 16 divisors (see below), whose sum is σ = 72244224. Its totient is φ = 33932544.

The previous prime is 52529681. The next prime is 52529713. The reversal of 52529691 is 19692525.

It is not a de Polignac number, because 52529691 - 2⁶ = 52529627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52529641) 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, 12715 + ... + 16331.

It is an arithmetic number, because the mean of its divisors is an integer number (4515264).

Almost surely, 2^52529691 is an apocalyptic number.

52529691 is a deficient number, since it is larger than the sum of its proper divisors (19714533).

52529691 is a wasteful number, since it uses less digits than its factorization.

52529691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770.

The product of its digits is 48600, while the sum is 39.

The square root of 52529691 is about 7247.7369571474. The cubic root of 52529691 is about 374.5141940297.

The spelling of 52529691 in words is "fifty-two million, five hundred twenty-nine thousand, six hundred ninety-one".