5531644457 has 8 divisors (see below), whose sum is σ = 5623424832. Its totient is φ = 5440590000.

The previous prime is 5531644453. The next prime is 5531644471. The reversal of 5531644457 is 7544461355.

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 5531644457 - 2² = 5531644453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5531644451) 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, 166103 + ... + 196604.

It is an arithmetic number, because the mean of its divisors is an integer number (702928104).

Almost surely, 2^5531644457 is an apocalyptic number.

It is an amenable number.

5531644457 is a deficient number, since it is larger than the sum of its proper divisors (91780375).

5531644457 is a wasteful number, since it uses less digits than its factorization.

5531644457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362959.

The product of its digits is 1008000, while the sum is 44.

The square root of 5531644457 is about 74375.0257613401. The cubic root of 5531644457 is about 1768.5530277944.

The spelling of 5531644457 in words is "five billion, five hundred thirty-one million, six hundred forty-four thousand, four hundred fifty-seven".