53207111 has 4 divisors (see below), whose sum is σ = 53242800. Its totient is φ = 53171424.

The previous prime is 53207057. The next prime is 53207117. The reversal of 53207111 is 11170235.

53207111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 53207111 - 2⁶ = 53207047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53207117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15506 + ... + 18623.

It is an arithmetic number, because the mean of its divisors is an integer number (13310700).

Almost surely, 2^53207111 is an apocalyptic number.

53207111 is a deficient number, since it is larger than the sum of its proper divisors (35689).

53207111 is a wasteful number, since it uses less digits than its factorization.

53207111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35688.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 53207111 is about 7294.3204618388. The cubic root of 53207111 is about 376.1172275753.

Adding to 53207111 its reverse (11170235), we get a palindrome (64377346).

The spelling of 53207111 in words is "fifty-three million, two hundred seven thousand, one hundred eleven".