43158055 has 4 divisors (see below), whose sum is σ = 51789672. Its totient is φ = 34526440.

The previous prime is 43158043. The next prime is 43158067. The reversal of 43158055 is 55085134.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (43158043) and next prime (43158067).

It is not a de Polignac number, because 43158055 - 2⁵ = 43158023 is a prime.

It is a super-2 number, since 2×43158055² = 3725235422766050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4315801 + ... + 4315810.

It is an arithmetic number, because the mean of its divisors is an integer number (12947418).

Almost surely, 2^43158055 is an apocalyptic number.

43158055 is a deficient number, since it is larger than the sum of its proper divisors (8631617).

43158055 is an equidigital number, since it uses as much as digits as its factorization.

43158055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8631616.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 43158055 is about 6569.4790508837. The cubic root of 43158055 is about 350.7685289185.

The spelling of 43158055 in words is "forty-three million, one hundred fifty-eight thousand, fifty-five".