53200111 has 2 divisors, whose sum is σ = 53200112. Its totient is φ = 53200110.

The previous prime is 53200109. The next prime is 53200139. The reversal of 53200111 is 11100235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53200111 - 2¹ = 53200109 is a prime.

Together with 53200109, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 53200091 and 53200100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53200811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26600055 + 26600056.

It is an arithmetic number, because the mean of its divisors is an integer number (26600056).

Almost surely, 2^53200111 is an apocalyptic number.

53200111 is a deficient number, since it is larger than the sum of its proper divisors (1).

53200111 is an equidigital number, since it uses as much as digits as its factorization.

53200111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 53200111 is about 7293.8406206881. The cubic root of 53200111 is about 376.1007326870.

Adding to 53200111 its reverse (11100235), we get a palindrome (64300346).

The spelling of 53200111 in words is "fifty-three million, two hundred thousand, one hundred eleven".