43545055 has 16 divisors (see below), whose sum is σ = 55440000. Its totient is φ = 32741280.

The previous prime is 43545043. The next prime is 43545067. The reversal of 43545055 is 55054534.

It is an interprime number because it is at equal distance from previous prime (43545043) and next prime (43545067).

It is not a de Polignac number, because 43545055 - 2¹³ = 43536863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10696 + ... + 14194.

It is an arithmetic number, because the mean of its divisors is an integer number (3465000).

Almost surely, 2^43545055 is an apocalyptic number.

43545055 is a deficient number, since it is larger than the sum of its proper divisors (11894945).

43545055 is a wasteful number, since it uses less digits than its factorization.

43545055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3654.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 43545055 is about 6598.8677059023. The cubic root of 43545055 is about 351.8138623962.

Adding to 43545055 its reverse (55054534), we get a palindrome (98599589).

It can be divided in two parts, 4354 and 5055, that added together give a square (9409 = 97²).

The spelling of 43545055 in words is "forty-three million, five hundred forty-five thousand, fifty-five".