43391054 has 16 divisors (see below), whose sum is σ = 75405408. Its totient is φ = 18340992.

The previous prime is 43391053. The next prime is 43391057. The reversal of 43391054 is 45019334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43391053) 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, 20207 + ... + 22250.

It is an arithmetic number, because the mean of its divisors is an integer number (4712838).

Almost surely, 2^43391054 is an apocalyptic number.

43391054 is a deficient number, since it is larger than the sum of its proper divisors (32014354).

43391054 is a wasteful number, since it uses less digits than its factorization.

43391054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42539.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 43391054 is about 6587.1886264172. The cubic root of 43391054 is about 351.3986320648.

The spelling of 43391054 in words is "forty-three million, three hundred ninety-one thousand, fifty-four".