53943023 has 4 divisors (see below), whose sum is σ = 57116160. Its totient is φ = 50769888.

The previous prime is 53942983. The next prime is 53943037. The reversal of 53943023 is 32034935.

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

It is not a de Polignac number, because 53943023 - 2¹⁶ = 53877487 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 (53943623) 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, 1586543 + ... + 1586576.

It is an arithmetic number, because the mean of its divisors is an integer number (14279040).

Almost surely, 2^53943023 is an apocalyptic number.

53943023 is a deficient number, since it is larger than the sum of its proper divisors (3173137).

53943023 is a wasteful number, since it uses less digits than its factorization.

53943023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173136.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 53943023 is about 7344.5914113720. The cubic root of 53943023 is about 377.8433301824.

Adding to 53943023 its reverse (32034935), we get a palindrome (85977958).

The spelling of 53943023 in words is "fifty-three million, nine hundred forty-three thousand, twenty-three".