52665111 has 12 divisors (see below), whose sum is σ = 77361960. Its totient is φ = 34514640.

The previous prime is 52665061. The next prime is 52665121. The reversal of 52665111 is 11156625.

It is a happy number.

52665111 is a `hidden beast` number, since 5 + 2 + 6 + 651 + 1 + 1 = 666.

It is not a de Polignac number, because 52665111 - 2¹⁸ = 52402967 is a prime.

It is a super-3 number, since 3×52665111³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52665121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49060 + ... + 50121.

It is an arithmetic number, because the mean of its divisors is an integer number (6446830).

Almost surely, 2^52665111 is an apocalyptic number.

52665111 is a deficient number, since it is larger than the sum of its proper divisors (24696849).

52665111 is a wasteful number, since it uses less digits than its factorization.

52665111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99246 (or 99243 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 52665111 is about 7257.0731703628. The cubic root of 52665111 is about 374.8357467328.

The spelling of 52665111 in words is "fifty-two million, six hundred sixty-five thousand, one hundred eleven".