52933509 has 6 divisors (see below), whose sum is σ = 76459526. Its totient is φ = 35289000.

The previous prime is 52933493. The next prime is 52933537. The reversal of 52933509 is 90533925.

It can be written as a sum of positive squares in only one way, i.e., 30636225 + 22297284 = 5535^2 + 4722^2 .

It is not a de Polignac number, because 52933509 - 2⁴ = 52933493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52934509) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2940742 + ... + 2940759.

Almost surely, 2^52933509 is an apocalyptic number.

It is an amenable number.

52933509 is a deficient number, since it is larger than the sum of its proper divisors (23526017).

52933509 is a wasteful number, since it uses less digits than its factorization.

52933509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5881507 (or 5881504 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 36.

The square root of 52933509 is about 7275.5418354924. The cubic root of 52933509 is about 375.4714284323.

The spelling of 52933509 in words is "fifty-two million, nine hundred thirty-three thousand, five hundred nine".