43257055 has 8 divisors (see below), whose sum is σ = 52087392. Its totient is φ = 34486368.

The previous prime is 43257047. The next prime is 43257119. The reversal of 43257055 is 55075234.

43257055 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 43257055 - 2³ = 43257047 is a prime.

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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13299 + ... + 16228.

It is an arithmetic number, because the mean of its divisors is an integer number (6510924).

Almost surely, 2^43257055 is an apocalyptic number.

43257055 is a deficient number, since it is larger than the sum of its proper divisors (8830337).

43257055 is a wasteful number, since it uses less digits than its factorization.

43257055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29825.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 43257055 is about 6577.0095788284. The cubic root of 43257055 is about 351.0365326975.

The spelling of 43257055 in words is "forty-three million, two hundred fifty-seven thousand, fifty-five".