52609069 has 4 divisors (see below), whose sum is σ = 52962300. Its totient is φ = 52255840.

The previous prime is 52609031. The next prime is 52609087. The reversal of 52609069 is 96090625.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19027044 + 33582025 = 4362^2 + 5795^2 .

It is a cyclic number.

It is not a de Polignac number, because 52609069 - 2¹¹ = 52607021 is a prime.

It is a super-2 number, since 2×52609069² = 5535428282093522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52609009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176392 + ... + 176689.

It is an arithmetic number, because the mean of its divisors is an integer number (13240575).

Almost surely, 2^52609069 is an apocalyptic number.

It is an amenable number.

52609069 is a deficient number, since it is larger than the sum of its proper divisors (353231).

52609069 is a wasteful number, since it uses less digits than its factorization.

52609069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353230.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 52609069 is about 7253.2109441267. The cubic root of 52609069 is about 374.7027428011.

The spelling of 52609069 in words is "fifty-two million, six hundred nine thousand, sixty-nine".