53424317 has 4 divisors (see below), whose sum is σ = 53442780. Its totient is φ = 53405856.

The previous prime is 53424311. The next prime is 53424347. The reversal of 53424317 is 71342435.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14661241 + 38763076 = 3829^2 + 6226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53424317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53424317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53424311) 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, 3842 + ... + 11027.

It is an arithmetic number, because the mean of its divisors is an integer number (13360695).

Almost surely, 2^53424317 is an apocalyptic number.

It is an amenable number.

53424317 is a deficient number, since it is larger than the sum of its proper divisors (18463).

53424317 is a wasteful number, since it uses less digits than its factorization.

53424317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18462.

The product of its digits is 10080, while the sum is 29.

The square root of 53424317 is about 7309.1940048134. The cubic root of 53424317 is about 376.6283372210.

The spelling of 53424317 in words is "fifty-three million, four hundred twenty-four thousand, three hundred seventeen".