53516323 has 32 divisors (see below), whose sum is σ = 68014080. Its totient is φ = 41057280.

The previous prime is 53516311. The next prime is 53516341. The reversal of 53516323 is 32361535.

It is a cyclic number.

It is not a de Polignac number, because 53516323 - 2⁵ = 53516291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53516291 and 53516300.

It is not an unprimeable number, because it can be changed into a prime (53516303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 328240 + ... + 328402.

It is an arithmetic number, because the mean of its divisors is an integer number (2125440).

Almost surely, 2^53516323 is an apocalyptic number.

53516323 is a deficient number, since it is larger than the sum of its proper divisors (14497757).

53516323 is a wasteful number, since it uses less digits than its factorization.

53516323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307.

The product of its digits is 8100, while the sum is 28.

The square root of 53516323 is about 7315.4851513758. The cubic root of 53516323 is about 376.8444198057.

Adding to 53516323 its reverse (32361535), we get a palindrome (85877858).

The spelling of 53516323 in words is "fifty-three million, five hundred sixteen thousand, three hundred twenty-three".