52040511 has 6 divisors (see below), whose sum is σ = 75169640. Its totient is φ = 34693668.

The previous prime is 52040509. The next prime is 52040561. The reversal of 52040511 is 11504025.

It is not a de Polignac number, because 52040511 - 2¹ = 52040509 is a prime.

It is a super-2 number, since 2×52040511² = 5416429570282242, 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 (52040561) 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, 2891131 + ... + 2891148.

Almost surely, 2^52040511 is an apocalyptic number.

52040511 is a deficient number, since it is larger than the sum of its proper divisors (23129129).

52040511 is a wasteful number, since it uses less digits than its factorization.

52040511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5782285 (or 5782282 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 52040511 is about 7213.9109365170. The cubic root of 52040511 is about 373.3480185727.

Adding to 52040511 its reverse (11504025), we get a palindrome (63544536).

The spelling of 52040511 in words is "fifty-two million, forty thousand, five hundred eleven".