43053545 has 8 divisors (see below), whose sum is σ = 53445960. Its totient is φ = 33255040.

The previous prime is 43053509. The next prime is 43053553. The reversal of 43053545 is 54535034.

43053545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12902464 + 30151081 = 3592^2 + 5491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43053545 - 2⁶ = 43053481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 148316 + ... + 148605.

It is an arithmetic number, because the mean of its divisors is an integer number (6680745).

Almost surely, 2^43053545 is an apocalyptic number.

It is an amenable number.

43053545 is a deficient number, since it is larger than the sum of its proper divisors (10392415).

43053545 is a wasteful number, since it uses less digits than its factorization.

43053545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296955.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 43053545 is about 6561.5200220681. The cubic root of 43053545 is about 350.4851638982.

Adding to 43053545 its reverse (54535034), we get a palindrome (97588579).

The spelling of 43053545 in words is "forty-three million, fifty-three thousand, five hundred forty-five".