53305693 has 16 divisors (see below), whose sum is σ = 65145600. Its totient is φ = 42575616.

The previous prime is 53305657. The next prime is 53305717. The reversal of 53305693 is 39650335.

It is not a de Polignac number, because 53305693 - 2⁹ = 53305181 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 (53305613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10083 + ... + 14431.

It is an arithmetic number, because the mean of its divisors is an integer number (4071600).

Almost surely, 2^53305693 is an apocalyptic number.

It is an amenable number.

53305693 is a deficient number, since it is larger than the sum of its proper divisors (11839907).

53305693 is a wasteful number, since it uses less digits than its factorization.

53305693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476.

The product of its (nonzero) digits is 36450, while the sum is 34.

The square root of 53305693 is about 7301.0747838931. The cubic root of 53305693 is about 376.3493739419.

The spelling of 53305693 in words is "fifty-three million, three hundred five thousand, six hundred ninety-three".