53423355 has 16 divisors (see below), whose sum is σ = 86561280. Its totient is φ = 28131168.

The previous prime is 53423353. The next prime is 53423389. The reversal of 53423355 is 55332435.

It is not a de Polignac number, because 53423355 - 2¹ = 53423353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53423351) 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, 21357 + ... + 23726.

It is an arithmetic number, because the mean of its divisors is an integer number (5410080).

Almost surely, 2^53423355 is an apocalyptic number.

53423355 is a deficient number, since it is larger than the sum of its proper divisors (33137925).

53423355 is a wasteful number, since it uses less digits than its factorization.

53423355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45170.

The product of its digits is 27000, while the sum is 30.

The square root of 53423355 is about 7309.1281969877. The cubic root of 53423355 is about 376.6260765861.

The spelling of 53423355 in words is "fifty-three million, four hundred twenty-three thousand, three hundred fifty-five".