53565371 has 2 divisors, whose sum is σ = 53565372. Its totient is φ = 53565370.

The previous prime is 53565359. The next prime is 53565373. The reversal of 53565371 is 17356535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53565371 - 2¹⁰ = 53564347 is a prime.

It is a Sophie Germain prime.

Together with 53565373, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53565373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26782685 + 26782686.

It is an arithmetic number, because the mean of its divisors is an integer number (26782686).

Almost surely, 2^53565371 is an apocalyptic number.

53565371 is a deficient number, since it is larger than the sum of its proper divisors (1).

53565371 is an equidigital number, since it uses as much as digits as its factorization.

53565371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47250, while the sum is 35.

The square root of 53565371 is about 7318.8367245075. The cubic root of 53565371 is about 376.9595113031.

The spelling of 53565371 in words is "fifty-three million, five hundred sixty-five thousand, three hundred seventy-one".