52116511 has 4 divisors (see below), whose sum is σ = 52230024. Its totient is φ = 52003000.

The previous prime is 52116503. The next prime is 52116517. The reversal of 52116511 is 11561125.

52116511 = T₂₂₆ + T₂₂₇ + ... + T₆₈₆.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52116511 - 2³ = 52116503 is a prime.

It is a super-2 number, since 2×52116511² = 5432261437626242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52116517) 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, 56065 + ... + 56986.

It is an arithmetic number, because the mean of its divisors is an integer number (13057506).

Almost surely, 2^52116511 is an apocalyptic number.

52116511 is a deficient number, since it is larger than the sum of its proper divisors (113513).

52116511 is a wasteful number, since it uses less digits than its factorization.

52116511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113512.

The product of its digits is 300, while the sum is 22.

The square root of 52116511 is about 7219.1766150995. The cubic root of 52116511 is about 373.5296760762.

Adding to 52116511 its reverse (11561125), we get a palindrome (63677636).

The spelling of 52116511 in words is "fifty-two million, one hundred sixteen thousand, five hundred eleven".