53443245 has 16 divisors (see below), whose sum is σ = 86296320. Its totient is φ = 28240704.

The previous prime is 53443231. The next prime is 53443249. The reversal of 53443245 is 54234435.

It is not a de Polignac number, because 53443245 - 2⁸ = 53442989 is a prime.

It is a super-3 number, since 3×53443245³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53443249) 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 15 ways as a sum of consecutive naturals, for example, 14709 + ... + 17978.

It is an arithmetic number, because the mean of its divisors is an integer number (5393520).

Almost surely, 2^53443245 is an apocalyptic number.

It is an amenable number.

53443245 is a deficient number, since it is larger than the sum of its proper divisors (32853075).

53443245 is a wasteful number, since it uses less digits than its factorization.

53443245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32804.

The product of its digits is 28800, while the sum is 30.

The square root of 53443245 is about 7310.4886977548. The cubic root of 53443245 is about 376.6728112223.

The spelling of 53443245 in words is "fifty-three million, four hundred forty-three thousand, two hundred forty-five".