53299693 has 4 divisors (see below), whose sum is σ = 56104960. Its totient is φ = 50494428.

The previous prime is 53299691. The next prime is 53299699. The reversal of 53299693 is 39699235.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39699235 = 5 ⋅7939847.

It is a cyclic number.

It is not a de Polignac number, because 53299693 - 2¹ = 53299691 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 (53299691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1402605 + ... + 1402642.

It is an arithmetic number, because the mean of its divisors is an integer number (14026240).

Almost surely, 2^53299693 is an apocalyptic number.

It is an amenable number.

53299693 is a deficient number, since it is larger than the sum of its proper divisors (2805267).

53299693 is a wasteful number, since it uses less digits than its factorization.

53299693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805266.

The product of its digits is 393660, while the sum is 46.

The square root of 53299693 is about 7300.6638739227. The cubic root of 53299693 is about 376.3352529926.

The spelling of 53299693 in words is "fifty-three million, two hundred ninety-nine thousand, six hundred ninety-three".