52000111 has 4 divisors (see below), whose sum is σ = 52154752. Its totient is φ = 51845472.

The previous prime is 52000087. The next prime is 52000139. The reversal of 52000111 is 11100025.

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 52000111 - 2²¹ = 49902959 is a prime.

It is a Duffinian number.

52000111 is a modest number, since divided by 111 gives 52 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52000211) 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, 76815 + ... + 77488.

It is an arithmetic number, because the mean of its divisors is an integer number (13038688).

Almost surely, 2^52000111 is an apocalyptic number.

52000111 is a deficient number, since it is larger than the sum of its proper divisors (154641).

52000111 is a wasteful number, since it uses less digits than its factorization.

52000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154640.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 52000111 is about 7211.1102473891. The cubic root of 52000111 is about 373.2513812641.

Adding to 52000111 its reverse (11100025), we get a palindrome (63100136).

The spelling of 52000111 in words is "fifty-two million, one hundred eleven", and thus it is an aban number.