43648875 has 56 divisors (see below), whose sum is σ = 81843840. Its totient is φ = 23230800.

The previous prime is 43648841. The next prime is 43648879. The reversal of 43648875 is 57884634.

43648875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43648875 - 2⁶ = 43648811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

Its product of digits (645120) is a multiple of the sum of its prime factors (512).

It is a self number, because there is not a number n which added to its sum of digits gives 43648875.

It is not an unprimeable number, because it can be changed into a prime (43648879) by changing a digit.

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 55 ways as a sum of consecutive naturals, for example, 90886 + ... + 91364.

Almost surely, 2^43648875 is an apocalyptic number.

43648875 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

43648875 is a deficient number, since it is larger than the sum of its proper divisors (38194965).

43648875 is an frugal number, since it uses more digits than its factorization.

43648875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 487 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 43648875 is about 6606.7295237508. The cubic root of 43648875 is about 352.0932383646.

The spelling of 43648875 in words is "forty-three million, six hundred forty-eight thousand, eight hundred seventy-five".