5505491 has 4 divisors (see below), whose sum is σ = 5515032. Its totient is φ = 5495952.

The previous prime is 5505449. The next prime is 5505527. The reversal of 5505491 is 1945055.

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

It is a cyclic number.

It is not a de Polignac number, because 5505491 - 2⁶ = 5505427 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5505191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3845 + ... + 5078.

It is an arithmetic number, because the mean of its divisors is an integer number (1378758).

Almost surely, 2^5505491 is an apocalyptic number.

5505491 is a deficient number, since it is larger than the sum of its proper divisors (9541).

5505491 is an equidigital number, since it uses as much as digits as its factorization.

5505491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9540.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 5505491 is about 2346.3782729986. The cubic root of 5505491 is about 176.5761400849.

The spelling of 5505491 in words is "five million, five hundred five thousand, four hundred ninety-one".