5491903 has 4 divisors (see below), whose sum is σ = 5608800. Its totient is φ = 5375008.

The previous prime is 5491883. The next prime is 5491907. The reversal of 5491903 is 3091945.

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 5491903 - 2¹³ = 5483711 is a prime.

It is a super-2 number, since 2×5491903² = 60321997122818, 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 (5491907) 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, 58378 + ... + 58471.

It is an arithmetic number, because the mean of its divisors is an integer number (1402200).

Almost surely, 2^5491903 is an apocalyptic number.

5491903 is a deficient number, since it is larger than the sum of its proper divisors (116897).

5491903 is a wasteful number, since it uses less digits than its factorization.

5491903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116896.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 5491903 is about 2343.4809578915. The cubic root of 5491903 is about 176.4307523133.

The spelling of 5491903 in words is "five million, four hundred ninety-one thousand, nine hundred three".