5538444431 has 8 divisors (see below), whose sum is σ = 6062257824. Its totient is φ = 5028599520.

The previous prime is 5538444427. The next prime is 5538444487. The reversal of 5538444431 is 1344448355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5538444431 - 2² = 5538444427 is a prime.

It is a super-2 number, since 2×5538444431² = 61348733430549827522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5538444631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3491291 + ... + 3492876.

It is an arithmetic number, because the mean of its divisors is an integer number (757782228).

Almost surely, 2^5538444431 is an apocalyptic number.

5538444431 is a deficient number, since it is larger than the sum of its proper divisors (523813393).

5538444431 is a wasteful number, since it uses less digits than its factorization.

5538444431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6984241.

The product of its digits is 460800, while the sum is 41.

The square root of 5538444431 is about 74420.7258161327. The cubic root of 5538444431 is about 1769.2774169712.

The spelling of 5538444431 in words is "five billion, five hundred thirty-eight million, four hundred forty-four thousand, four hundred thirty-one".