53566423 has 2 divisors, whose sum is σ = 53566424. Its totient is φ = 53566422.

The previous prime is 53566399. The next prime is 53566477. The reversal of 53566423 is 32466535.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53566423 - 2⁵ = 53566391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53566483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26783211 + 26783212.

It is an arithmetic number, because the mean of its divisors is an integer number (26783212).

Almost surely, 2^53566423 is an apocalyptic number.

53566423 is a deficient number, since it is larger than the sum of its proper divisors (1).

53566423 is an equidigital number, since it uses as much as digits as its factorization.

53566423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 34.

The square root of 53566423 is about 7318.9085934994. The cubic root of 53566423 is about 376.9619790591.

The spelling of 53566423 in words is "fifty-three million, five hundred sixty-six thousand, four hundred twenty-three".