43140055 has 8 divisors (see below), whose sum is σ = 59163552. Its totient is φ = 29581728.

The previous prime is 43140037. The next prime is 43140079. The reversal of 43140055 is 55004134.

43140055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 43140055 - 2⁹ = 43139543 is a prime.

It is a super-2 number, since 2×43140055² = 3722128690806050, which contains 22 as substring.

It is a congruent number.

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, 616252 + ... + 616321.

It is an arithmetic number, because the mean of its divisors is an integer number (7395444).

Almost surely, 2^43140055 is an apocalyptic number.

43140055 is a deficient number, since it is larger than the sum of its proper divisors (16023497).

43140055 is a wasteful number, since it uses less digits than its factorization.

43140055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232585.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 43140055 is about 6568.1089363682. The cubic root of 43140055 is about 350.7197569376.

Adding to 43140055 its reverse (55004134), we get a palindrome (98144189).

The spelling of 43140055 in words is "forty-three million, one hundred forty thousand, fifty-five".