5490561 has 8 divisors (see below), whose sum is σ = 7333504. Its totient is φ = 3654000.

The previous prime is 5490553. The next prime is 5490571. The reversal of 5490561 is 1650945.

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

It is not a de Polignac number, because 5490561 - 2³ = 5490553 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5490571) 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 7 ways as a sum of consecutive naturals, for example, 1035 + ... + 3471.

It is an arithmetic number, because the mean of its divisors is an integer number (916688).

Almost surely, 2^5490561 is an apocalyptic number.

It is an amenable number.

5490561 is a deficient number, since it is larger than the sum of its proper divisors (1842943).

5490561 is a wasteful number, since it uses less digits than its factorization.

5490561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 5490561 is about 2343.1946141966. The cubic root of 5490561 is about 176.4163802848.

The spelling of 5490561 in words is "five million, four hundred ninety thousand, five hundred sixty-one".