53660111 has 2 divisors, whose sum is σ = 53660112. Its totient is φ = 53660110.

The previous prime is 53660077. The next prime is 53660119. The reversal of 53660111 is 11106635.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53660111 - 2¹⁰ = 53659087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53660119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26830055 + 26830056.

It is an arithmetic number, because the mean of its divisors is an integer number (26830056).

Almost surely, 2^53660111 is an apocalyptic number.

53660111 is a deficient number, since it is larger than the sum of its proper divisors (1).

53660111 is an equidigital number, since it uses as much as digits as its factorization.

53660111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 53660111 is about 7325.3062052040. The cubic root of 53660111 is about 377.1816206563.

Adding to 53660111 its reverse (11106635), we get a palindrome (64766746).

The spelling of 53660111 in words is "fifty-three million, six hundred sixty thousand, one hundred eleven".