52306569 has 36 divisors (see below), whose sum is σ = 93072564. Its totient is φ = 28127232.

The previous prime is 52306559. The next prime is 52306613. The reversal of 52306569 is 96560325.

It can be written as a sum of positive squares in 2 ways, for example, as 25401600 + 26904969 = 5040^2 + 5187^2 .

It is not a de Polignac number, because 52306569 - 2¹³ = 52298377 is a prime.

It is a super-2 number, since 2×52306569² = 5471954321103522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52306549) 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 35 ways as a sum of consecutive naturals, for example, 4009 + ... + 10985.

It is an arithmetic number, because the mean of its divisors is an integer number (2585349).

Almost surely, 2^52306569 is an apocalyptic number.

It is an amenable number.

52306569 is a deficient number, since it is larger than the sum of its proper divisors (40765995).

52306569 is a wasteful number, since it uses less digits than its factorization.

52306569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7014 (or 7004 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 52306569 is about 7232.3280484226. The cubic root of 52306569 is about 373.9831867340.

The spelling of 52306569 in words is "fifty-two million, three hundred six thousand, five hundred sixty-nine".