53962143 has 4 divisors (see below), whose sum is σ = 71949528. Its totient is φ = 35974760.

The previous prime is 53962141. The next prime is 53962151. The reversal of 53962143 is 34126935.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53962143 - 2¹ = 53962141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53962141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8993688 + ... + 8993693.

It is an arithmetic number, because the mean of its divisors is an integer number (17987382).

Almost surely, 2^53962143 is an apocalyptic number.

53962143 is a deficient number, since it is larger than the sum of its proper divisors (17987385).

53962143 is a wasteful number, since it uses less digits than its factorization.

53962143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17987384.

The product of its digits is 19440, while the sum is 33.

The square root of 53962143 is about 7345.8929341503. The cubic root of 53962143 is about 377.8879668544.

The spelling of 53962143 in words is "fifty-three million, nine hundred sixty-two thousand, one hundred forty-three".