40053543 has 4 divisors (see below), whose sum is σ = 53404728. Its totient is φ = 26702360.

The previous prime is 40053527. The next prime is 40053551. The reversal of 40053543 is 34535004.

It is a happy number.

40053543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40053543 - 2⁴ = 40053527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40053583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6675588 + ... + 6675593.

It is an arithmetic number, because the mean of its divisors is an integer number (13351182).

Almost surely, 2^40053543 is an apocalyptic number.

40053543 is a deficient number, since it is larger than the sum of its proper divisors (13351185).

40053543 is a wasteful number, since it uses less digits than its factorization.

40053543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13351184.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 40053543 is about 6328.7868505741. The cubic root of 40053543 is about 342.1477167027.

Adding to 40053543 its reverse (34535004), we get a palindrome (74588547).

The spelling of 40053543 in words is "forty million, fifty-three thousand, five hundred forty-three".