52556111 has 2 divisors, whose sum is σ = 52556112. Its totient is φ = 52556110.

The previous prime is 52556107. The next prime is 52556171. The reversal of 52556111 is 11165525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52556111 - 2² = 52556107 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52556171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26278055 + 26278056.

It is an arithmetic number, because the mean of its divisors is an integer number (26278056).

Almost surely, 2^52556111 is an apocalyptic number.

52556111 is a deficient number, since it is larger than the sum of its proper divisors (1).

52556111 is an equidigital number, since it uses as much as digits as its factorization.

52556111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1500, while the sum is 26.

The square root of 52556111 is about 7249.5593659201. The cubic root of 52556111 is about 374.5769712669.

The spelling of 52556111 in words is "fifty-two million, five hundred fifty-six thousand, one hundred eleven".