53997323 has 2 divisors, whose sum is σ = 53997324. Its totient is φ = 53997322.

The previous prime is 53997277. The next prime is 53997337. The reversal of 53997323 is 32379935.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53997323 - 2⁸ = 53997067 is a prime.

It is not a weakly prime, because it can be changed into another prime (53997523) 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 as a sum of consecutive naturals, namely, 26998661 + 26998662.

It is an arithmetic number, because the mean of its divisors is an integer number (26998662).

Almost surely, 2^53997323 is an apocalyptic number.

53997323 is a deficient number, since it is larger than the sum of its proper divisors (1).

53997323 is an equidigital number, since it uses as much as digits as its factorization.

53997323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153090, while the sum is 41.

The square root of 53997323 is about 7348.2870793131. The cubic root of 53997323 is about 377.9700689233.

The spelling of 53997323 in words is "fifty-three million, nine hundred ninety-seven thousand, three hundred twenty-three".