5243554433 has 4 divisors (see below), whose sum is σ = 5646904788. Its totient is φ = 4840204080.

The previous prime is 5243554429. The next prime is 5243554447. The reversal of 5243554433 is 3344553425.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3006548224 + 2237006209 = 54832^2 + 47297^2 .

It is a cyclic number.

It is not a de Polignac number, because 5243554433 - 2² = 5243554429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5243554033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201675158 + ... + 201675183.

It is an arithmetic number, because the mean of its divisors is an integer number (1411726197).

Almost surely, 2^5243554433 is an apocalyptic number.

It is an amenable number.

5243554433 is a deficient number, since it is larger than the sum of its proper divisors (403350355).

5243554433 is a wasteful number, since it uses less digits than its factorization.

5243554433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403350354.

The product of its digits is 432000, while the sum is 38.

The square root of 5243554433 is about 72412.3914326823. The cubic root of 5243554433 is about 1737.3017625082.

The spelling of 5243554433 in words is "five billion, two hundred forty-three million, five hundred fifty-four thousand, four hundred thirty-three".