53425543 has 8 divisors (see below), whose sum is σ = 57205440. Its totient is φ = 49716480.

The previous prime is 53425529. The next prime is 53425553. The reversal of 53425543 is 34552435.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53425543 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 (53425553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16143 + ... + 19168.

It is an arithmetic number, because the mean of its divisors is an integer number (7150680).

Almost surely, 2^53425543 is an apocalyptic number.

53425543 is a deficient number, since it is larger than the sum of its proper divisors (3779897).

53425543 is a wasteful number, since it uses less digits than its factorization.

53425543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35417.

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

The square root of 53425543 is about 7309.2778713085. The cubic root of 53425543 is about 376.6312181988.

Adding to 53425543 its reverse (34552435), we get a palindrome (87977978).

The spelling of 53425543 in words is "fifty-three million, four hundred twenty-five thousand, five hundred forty-three".