5453644431 has 4 divisors (see below), whose sum is σ = 7271525912. Its totient is φ = 3635762952.

The previous prime is 5453644429. The next prime is 5453644433. The reversal of 5453644431 is 1344463545.

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

It is an interprime number because it is at equal distance from previous prime (5453644429) and next prime (5453644433).

It is not a de Polignac number, because 5453644431 - 2¹ = 5453644429 is a prime.

It is a super-2 number, since 2×5453644431² = 59484475159554627522, which contains 22 as substring.

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 5453644431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5453644433) 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 3 ways as a sum of consecutive naturals, for example, 908940736 + ... + 908940741.

It is an arithmetic number, because the mean of its divisors is an integer number (1817881478).

Almost surely, 2^5453644431 is an apocalyptic number.

5453644431 is a deficient number, since it is larger than the sum of its proper divisors (1817881481).

5453644431 is a wasteful number, since it uses less digits than its factorization.

5453644431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817881480.

The product of its digits is 345600, while the sum is 39.

The square root of 5453644431 is about 73848.7943774304. The cubic root of 5453644431 is about 1760.2010392553.

The spelling of 5453644431 in words is "five billion, four hundred fifty-three million, six hundred forty-four thousand, four hundred thirty-one".