53608143 has 8 divisors (see below), whose sum is σ = 73139968. Its totient is φ = 34907544.

The previous prime is 53608141. The next prime is 53608151. The reversal of 53608143 is 34180635.

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

It is not a de Polignac number, because 53608143 - 2¹ = 53608141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53608143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53608141) 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, 207655 + ... + 207912.

It is an arithmetic number, because the mean of its divisors is an integer number (9142496).

Almost surely, 2^53608143 is an apocalyptic number.

53608143 is a deficient number, since it is larger than the sum of its proper divisors (19531825).

53608143 is a wasteful number, since it uses less digits than its factorization.

53608143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415613.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 53608143 is about 7321.7581904895. The cubic root of 53608143 is about 377.0598187861.

Adding to 53608143 its reverse (34180635), we get a palindrome (87788778).

The spelling of 53608143 in words is "fifty-three million, six hundred eight thousand, one hundred forty-three".