53808143 has 8 divisors (see below), whose sum is σ = 54244128. Its totient is φ = 53374464.

The previous prime is 53808121. The next prime is 53808163. The reversal of 53808143 is 34180835.

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 not a de Polignac number, because 53808143 - 2¹⁰ = 53807119 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 (53808103) 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, 110246 + ... + 110732.

It is an arithmetic number, because the mean of its divisors is an integer number (6780516).

Almost surely, 2^53808143 is an apocalyptic number.

53808143 is a deficient number, since it is larger than the sum of its proper divisors (435985).

53808143 is a wasteful number, since it uses less digits than its factorization.

53808143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 53808143 is about 7335.4033972236. The cubic root of 53808143 is about 377.5281454974.

Adding to 53808143 its reverse (34180835), we get a palindrome (87988978).

The spelling of 53808143 in words is "fifty-three million, eight hundred eight thousand, one hundred forty-three".