53603323 has 4 divisors (see below), whose sum is σ = 54482128. Its totient is φ = 52724520.

The previous prime is 53603321. The next prime is 53603353. The reversal of 53603323 is 32330635.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32330635 = 5 ⋅6466127.

It is a cyclic number.

It is not a de Polignac number, because 53603323 - 2¹ = 53603321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53603321) 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, 439311 + ... + 439432.

It is an arithmetic number, because the mean of its divisors is an integer number (13620532).

Almost surely, 2^53603323 is an apocalyptic number.

53603323 is a deficient number, since it is larger than the sum of its proper divisors (878805).

53603323 is an equidigital number, since it uses as much as digits as its factorization.

53603323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878804.

The product of its (nonzero) digits is 4860, while the sum is 25.

The square root of 53603323 is about 7321.4290271777. The cubic root of 53603323 is about 377.0485177492.

Adding to 53603323 its reverse (32330635), we get a palindrome (85933958).

The spelling of 53603323 in words is "fifty-three million, six hundred three thousand, three hundred twenty-three".