53680111 has 8 divisors (see below), whose sum is σ = 57884400. Its totient is φ = 49613760.

The previous prime is 53680103. The next prime is 53680129. The reversal of 53680111 is 11108635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53680111 - 2³ = 53680103 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 (53680811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33676 + ... + 35233.

It is an arithmetic number, because the mean of its divisors is an integer number (7235550).

Almost surely, 2^53680111 is an apocalyptic number.

53680111 is a deficient number, since it is larger than the sum of its proper divisors (4204289).

53680111 is a wasteful number, since it uses less digits than its factorization.

53680111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68969.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 53680111 is about 7326.6712086731. The cubic root of 53680111 is about 377.2284754196.

Adding to 53680111 its reverse (11108635), we get a palindrome (64788746).

The spelling of 53680111 in words is "fifty-three million, six hundred eighty thousand, one hundred eleven".