5559491 has 12 divisors (see below), whose sum is σ = 6749712. Its totient is φ = 4557168.

The previous prime is 5559481. The next prime is 5559517. The reversal of 5559491 is 1949555.

It is not a de Polignac number, because 5559491 - 2¹⁰ = 5558467 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5559401) 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 11 ways as a sum of consecutive naturals, for example, 1340 + ... + 3593.

It is an arithmetic number, because the mean of its divisors is an integer number (562476).

Almost surely, 2^5559491 is an apocalyptic number.

5559491 is a deficient number, since it is larger than the sum of its proper divisors (1190221).

5559491 is a wasteful number, since it uses less digits than its factorization.

5559491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4970 (or 4963 counting only the distinct ones).

The product of its digits is 40500, while the sum is 38.

The square root of 5559491 is about 2357.8572899987. The cubic root of 5559491 is about 177.1515719970.

The spelling of 5559491 in words is "five million, five hundred fifty-nine thousand, four hundred ninety-one".