53388143 has 8 divisors (see below), whose sum is σ = 56603520. Its totient is φ = 50181120.

The previous prime is 53388113. The next prime is 53388197. The reversal of 53388143 is 34188335.

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 53388143 - 2²² = 49193839 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 (53388103) 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, 15263 + ... + 18431.

It is an arithmetic number, because the mean of its divisors is an integer number (7075440).

Almost surely, 2^53388143 is an apocalyptic number.

53388143 is a deficient number, since it is larger than the sum of its proper divisors (3215377).

53388143 is a wasteful number, since it uses less digits than its factorization.

53388143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177.

The product of its digits is 34560, while the sum is 35.

The square root of 53388143 is about 7306.7190311384. The cubic root of 53388143 is about 376.5433120839.

The spelling of 53388143 in words is "fifty-three million, three hundred eighty-eight thousand, one hundred forty-three".