53057591 has 2 divisors, whose sum is σ = 53057592. Its totient is φ = 53057590.

The previous prime is 53057581. The next prime is 53057597. The reversal of 53057591 is 19575035.

53057591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53057591 - 2¹⁰ = 53056567 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53057597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26528795 + 26528796.

It is an arithmetic number, because the mean of its divisors is an integer number (26528796).

Almost surely, 2^53057591 is an apocalyptic number.

53057591 is a deficient number, since it is larger than the sum of its proper divisors (1).

53057591 is an equidigital number, since it uses as much as digits as its factorization.

53057591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23625, while the sum is 35.

The square root of 53057591 is about 7284.0641814855. The cubic root of 53057591 is about 375.7645816765.

The spelling of 53057591 in words is "fifty-three million, fifty-seven thousand, five hundred ninety-one".