54237543 has 4 divisors (see below), whose sum is σ = 72316728. Its totient is φ = 36158360.

The previous prime is 54237541. The next prime is 54237563. The reversal of 54237543 is 34573245.

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 54237543 - 2¹ = 54237541 is a prime.

It is a super-2 number, since 2×54237543² = 5883422141353698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54237541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9039588 + ... + 9039593.

It is an arithmetic number, because the mean of its divisors is an integer number (18079182).

Almost surely, 2^54237543 is an apocalyptic number.

54237543 is a deficient number, since it is larger than the sum of its proper divisors (18079185).

54237543 is a wasteful number, since it uses less digits than its factorization.

54237543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18079184.

The product of its digits is 50400, while the sum is 33.

The square root of 54237543 is about 7364.6142465169. The cubic root of 54237543 is about 378.5297365400.

The spelling of 54237543 in words is "fifty-four million, two hundred thirty-seven thousand, five hundred forty-three".