53471543 has 2 divisors, whose sum is σ = 53471544. Its totient is φ = 53471542.

The previous prime is 53471507. The next prime is 53471557. The reversal of 53471543 is 34517435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53471543 - 2¹⁶ = 53406007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53671543) 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, 26735771 + 26735772.

It is an arithmetic number, because the mean of its divisors is an integer number (26735772).

Almost surely, 2^53471543 is an apocalyptic number.

53471543 is a deficient number, since it is larger than the sum of its proper divisors (1).

53471543 is an equidigital number, since it uses as much as digits as its factorization.

53471543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 32.

The square root of 53471543 is about 7312.4238799457. The cubic root of 53471543 is about 376.7392817772.

Adding to 53471543 its reverse (34517435), we get a palindrome (87988978).

The spelling of 53471543 in words is "fifty-three million, four hundred seventy-one thousand, five hundred forty-three".