53671543 has 2 divisors, whose sum is σ = 53671544. Its totient is φ = 53671542.

The previous prime is 53671537. The next prime is 53671559. The reversal of 53671543 is 34517635.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53671543 - 2⁵ = 53671511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53671499 and 53671508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53675543) 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, 26835771 + 26835772.

It is an arithmetic number, because the mean of its divisors is an integer number (26835772).

Almost surely, 2^53671543 is an apocalyptic number.

53671543 is a deficient number, since it is larger than the sum of its proper divisors (1).

53671543 is an equidigital number, since it uses as much as digits as its factorization.

53671543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 34.

The square root of 53671543 is about 7326.0864723261. The cubic root of 53671543 is about 377.2084042641.

The spelling of 53671543 in words is "fifty-three million, six hundred seventy-one thousand, five hundred forty-three".