5490891 has 18 divisors (see below), whose sum is σ = 9226932. Its totient is φ = 3137400.

The previous prime is 5490883. The next prime is 5490913. The reversal of 5490891 is 1980945.

It is not a de Polignac number, because 5490891 - 2³ = 5490883 is a prime.

5490891 is a modest number, since divided by 891 gives 549 as remainder.

It is not an unprimeable number, because it can be changed into a prime (5490811) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5785 + ... + 6666.

Almost surely, 2^5490891 is an apocalyptic number.

5490891 is a deficient number, since it is larger than the sum of its proper divisors (3736041).

5490891 is a wasteful number, since it uses less digits than its factorization.

5490891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12471 (or 12461 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 5490891 is about 2343.2650298248. The cubic root of 5490891 is about 176.4199146073.

The spelling of 5490891 in words is "five million, four hundred ninety thousand, eight hundred ninety-one".