52699329 has 10 divisors (see below), whose sum is σ = 78723810. Its totient is φ = 35132832.

The previous prime is 52699321. The next prime is 52699333. The reversal of 52699329 is 92399625.

52699329 is a `hidden beast` number, since 526 + 99 + 32 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 51840000 + 859329 = 7200^2 + 927^2 .

It is not a de Polignac number, because 52699329 - 2³ = 52699321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52699321) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 325224 + ... + 325385.

It is an arithmetic number, because the mean of its divisors is an integer number (7872381).

Almost surely, 2^52699329 is an apocalyptic number.

It is an amenable number.

52699329 is a deficient number, since it is larger than the sum of its proper divisors (26024481).

52699329 is an equidigital number, since it uses as much as digits as its factorization.

52699329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650621 (or 650612 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 52699329 is about 7259.4303495522. The cubic root of 52699329 is about 374.9169095907.

The spelling of 52699329 in words is "fifty-two million, six hundred ninety-nine thousand, three hundred twenty-nine".