53245543 has 16 divisors (see below), whose sum is σ = 61206880. Its totient is φ = 45909504.

The previous prime is 53245471. The next prime is 53245559. The reversal of 53245543 is 34554235.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53245543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53245573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16555 + ... + 19507.

It is an arithmetic number, because the mean of its divisors is an integer number (3825430).

Almost surely, 2^53245543 is an apocalyptic number.

53245543 is a deficient number, since it is larger than the sum of its proper divisors (7961337).

53245543 is a wasteful number, since it uses less digits than its factorization.

53245543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058.

The product of its digits is 36000, while the sum is 31.

The square root of 53245543 is about 7296.9543646648. The cubic root of 53245543 is about 376.2077634586.

Adding to 53245543 its reverse (34554235), we get a palindrome (87799778).

The spelling of 53245543 in words is "fifty-three million, two hundred forty-five thousand, five hundred forty-three".