53688611 has 4 divisors (see below), whose sum is σ = 54075000. Its totient is φ = 53302224.

The previous prime is 53688589. The next prime is 53688619. The reversal of 53688611 is 11688635.

It is a happy number.

53688611 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 53688611 - 2¹⁰ = 53687587 is a prime.

It is a super-2 number, since 2×53688611² = 5764933902218642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53688619) 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, 192986 + ... + 193263.

It is an arithmetic number, because the mean of its divisors is an integer number (13518750).

Almost surely, 2^53688611 is an apocalyptic number.

53688611 is a deficient number, since it is larger than the sum of its proper divisors (386389).

53688611 is a wasteful number, since it uses less digits than its factorization.

53688611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386388.

The product of its digits is 34560, while the sum is 38.

The square root of 53688611 is about 7327.2512581459. The cubic root of 53688611 is about 377.2483851698.

The spelling of 53688611 in words is "fifty-three million, six hundred eighty-eight thousand, six hundred eleven".