53005323 has 16 divisors (see below), whose sum is σ = 80881920. Its totient is φ = 30246816.

The previous prime is 53005321. The next prime is 53005343. The reversal of 53005323 is 32350035.

It is not a de Polignac number, because 53005323 - 2¹ = 53005321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 53005323.

It is not an unprimeable number, because it can be changed into a prime (53005321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20161 + ... + 22637.

It is an arithmetic number, because the mean of its divisors is an integer number (5055120).

Almost surely, 2^53005323 is an apocalyptic number.

53005323 is a deficient number, since it is larger than the sum of its proper divisors (27876597).

53005323 is a wasteful number, since it uses less digits than its factorization.

53005323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506.

The product of its (nonzero) digits is 1350, while the sum is 21.

The square root of 53005323 is about 7280.4754652426. The cubic root of 53005323 is about 375.6411502899.

Adding to 53005323 its reverse (32350035), we get a palindrome (85355358).

The spelling of 53005323 in words is "fifty-three million, five thousand, three hundred twenty-three".