43255478 has 16 divisors (see below), whose sum is σ = 76545024. Its totient is φ = 17939880.

The previous prime is 43255477. The next prime is 43255483. The reversal of 43255478 is 87455234.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43255477) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 49400 + ... + 50267.

It is an arithmetic number, because the mean of its divisors is an integer number (4784064).

Almost surely, 2^43255478 is an apocalyptic number.

43255478 is a deficient number, since it is larger than the sum of its proper divisors (33289546).

43255478 is a wasteful number, since it uses less digits than its factorization.

43255478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99707.

The product of its digits is 134400, while the sum is 38.

The square root of 43255478 is about 6576.8896904236. The cubic root of 43255478 is about 351.0322667934.

The spelling of 43255478 in words is "forty-three million, two hundred fifty-five thousand, four hundred seventy-eight".