43255801 has 6 divisors (see below), whose sum is σ = 45218810. Its totient is φ = 41374608.

The previous prime is 43255789. The next prime is 43255811. The reversal of 43255801 is 10855234.

43255801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 29713401 + 13542400 = 5451^2 + 3680^2 .

It is not a de Polignac number, because 43255801 - 2¹¹ = 43253753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43255801.

It is not an unprimeable number, because it can be changed into a prime (43255811) 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 5 ways as a sum of consecutive naturals, for example, 40356 + ... + 41413.

Almost surely, 2^43255801 is an apocalyptic number.

It is an amenable number.

43255801 is a deficient number, since it is larger than the sum of its proper divisors (1963009).

43255801 is an equidigital number, since it uses as much as digits as its factorization.

43255801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81815 (or 81792 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 43255801 is about 6576.9142460579. The cubic root of 43255801 is about 351.0331405412.

The spelling of 43255801 in words is "forty-three million, two hundred fifty-five thousand, eight hundred one".