52756111 has 4 divisors (see below), whose sum is σ = 52771432. Its totient is φ = 52740792.

The previous prime is 52756073. The next prime is 52756157. The reversal of 52756111 is 11165725.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52756111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52756111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52726111) 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, 181 + ... + 10273.

It is an arithmetic number, because the mean of its divisors is an integer number (13192858).

Almost surely, 2^52756111 is an apocalyptic number.

52756111 is a deficient number, since it is larger than the sum of its proper divisors (15321).

52756111 is a wasteful number, since it uses less digits than its factorization.

52756111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15320.

The product of its digits is 2100, while the sum is 28.

The square root of 52756111 is about 7263.3402095730. The cubic root of 52756111 is about 375.0515152932.

The spelling of 52756111 in words is "fifty-two million, seven hundred fifty-six thousand, one hundred eleven".